NZ Herald
  • Home
  • Latest news
  • Herald NOW
  • Video
  • New Zealand
  • Sport
  • World
  • Business
  • Entertainment
  • Podcasts
  • Quizzes
  • Opinion
  • Lifestyle
  • Travel
  • Viva
  • Weather

Subscriptions

  • Herald Premium
  • Viva Premium
  • The Listener
  • BusinessDesk

Sections

  • Latest news
  • New Zealand
    • All New Zealand
    • Crime
    • Politics
    • Education
    • Open Justice
    • Scam Update
  • Herald NOW
  • On The Up
  • World
    • All World
    • Australia
    • Asia
    • UK
    • United States
    • Middle East
    • Europe
    • Pacific
  • Business
    • All Business
    • MarketsSharesCurrencyCommoditiesStock TakesCrypto
    • Markets with Madison
    • Media Insider
    • Business analysis
    • Personal financeKiwiSaverInterest ratesTaxInvestment
    • EconomyInflationGDPOfficial cash rateEmployment
    • Small business
    • Business reportsMood of the BoardroomProject AucklandSustainable business and financeCapital markets reportAgribusiness reportInfrastructure reportDynamic business
    • Deloitte Top 200 Awards
    • CompaniesAged CareAgribusinessAirlinesBanking and financeConstructionEnergyFreight and logisticsHealthcareManufacturingMedia and MarketingRetailTelecommunicationsTourism
  • Opinion
    • All Opinion
    • Analysis
    • Editorials
    • Business analysis
    • Premium opinion
    • Letters to the editor
  • Politics
  • Sport
    • All Sport
    • OlympicsParalympics
    • RugbySuper RugbyNPCAll BlacksBlack FernsRugby sevensSchool rugby
    • CricketBlack CapsWhite Ferns
    • Racing
    • NetballSilver Ferns
    • LeagueWarriorsNRL
    • FootballWellington PhoenixAuckland FCAll WhitesFootball FernsEnglish Premier League
    • GolfNZ Open
    • MotorsportFormula 1
    • Boxing
    • UFC
    • BasketballNBABreakersTall BlacksTall Ferns
    • Tennis
    • Cycling
    • Athletics
    • SailingAmerica's CupSailGP
    • Rowing
  • Lifestyle
    • All Lifestyle
    • Viva - Food, fashion & beauty
    • Society Insider
    • Royals
    • Sex & relationships
    • Food & drinkRecipesRecipe collectionsRestaurant reviewsRestaurant bookings
    • Health & wellbeing
    • Fashion & beauty
    • Pets & animals
    • The Selection - Shop the trendsShop fashionShop beautyShop entertainmentShop giftsShop home & living
    • Milford's Investing Place
  • Entertainment
    • All Entertainment
    • TV
    • MoviesMovie reviews
    • MusicMusic reviews
    • BooksBook reviews
    • Culture
    • ReviewsBook reviewsMovie reviewsMusic reviewsRestaurant reviews
  • Travel
    • All Travel
    • News
    • New ZealandNorthlandAucklandWellingtonCanterburyOtago / QueenstownNelson-TasmanBest NZ beaches
    • International travelAustraliaPacific IslandsEuropeUKUSAAfricaAsia
    • Rail holidays
    • Cruise holidays
    • Ski holidays
    • Luxury travel
    • Adventure travel
  • Kāhu Māori news
  • Environment
    • All Environment
    • Our Green Future
  • Talanoa Pacific news
  • Property
    • All Property
    • Property Insider
    • Interest rates tracker
    • Residential property listings
    • Commercial property listings
  • Health
  • Technology
    • All Technology
    • AI
    • Social media
  • Rural
    • All Rural
    • Dairy farming
    • Sheep & beef farming
    • Horticulture
    • Animal health
    • Rural business
    • Rural life
    • Rural technology
    • Opinion
    • Audio & podcasts
  • Weather forecasts
    • All Weather forecasts
    • Kaitaia
    • Whangārei
    • Dargaville
    • Auckland
    • Thames
    • Tauranga
    • Hamilton
    • Whakatāne
    • Rotorua
    • Tokoroa
    • Te Kuiti
    • Taumaranui
    • Taupō
    • Gisborne
    • New Plymouth
    • Napier
    • Hastings
    • Dannevirke
    • Whanganui
    • Palmerston North
    • Levin
    • Paraparaumu
    • Masterton
    • Wellington
    • Motueka
    • Nelson
    • Blenheim
    • Westport
    • Reefton
    • Kaikōura
    • Greymouth
    • Hokitika
    • Christchurch
    • Ashburton
    • Timaru
    • Wānaka
    • Oamaru
    • Queenstown
    • Dunedin
    • Gore
    • Invercargill
  • Meet the journalists
  • Promotions & competitions
  • OneRoof property listings
  • Driven car news

Puzzles & Quizzes

  • Puzzles
    • All Puzzles
    • Sudoku
    • Code Cracker
    • Crosswords
    • Cryptic crossword
    • Wordsearch
  • Quizzes
    • All Quizzes
    • Morning quiz
    • Afternoon quiz
    • Sports quiz

Regions

  • Northland
    • All Northland
    • Far North
    • Kaitaia
    • Kerikeri
    • Kaikohe
    • Bay of Islands
    • Whangarei
    • Dargaville
    • Kaipara
    • Mangawhai
  • Auckland
  • Waikato
    • All Waikato
    • Hamilton
    • Coromandel & Hauraki
    • Matamata & Piako
    • Cambridge
    • Te Awamutu
    • Tokoroa & South Waikato
    • Taupō & Tūrangi
  • Bay of Plenty
    • All Bay of Plenty
    • Katikati
    • Tauranga
    • Mount Maunganui
    • Pāpāmoa
    • Te Puke
    • Whakatāne
  • Rotorua
  • Hawke's Bay
    • All Hawke's Bay
    • Napier
    • Hastings
    • Havelock North
    • Central Hawke's Bay
    • Wairoa
  • Taranaki
    • All Taranaki
    • Stratford
    • New Plymouth
    • Hāwera
  • Manawatū - Whanganui
    • All Manawatū - Whanganui
    • Whanganui
    • Palmerston North
    • Manawatū
    • Tararua
    • Horowhenua
  • Wellington
    • All Wellington
    • Kapiti
    • Wairarapa
    • Upper Hutt
    • Lower Hutt
  • Nelson & Tasman
    • All Nelson & Tasman
    • Motueka
    • Nelson
    • Tasman
  • Marlborough
  • West Coast
  • Canterbury
    • All Canterbury
    • Kaikōura
    • Christchurch
    • Ashburton
    • Timaru
  • Otago
    • All Otago
    • Oamaru
    • Dunedin
    • Balclutha
    • Alexandra
    • Queenstown
    • Wanaka
  • Southland
    • All Southland
    • Invercargill
    • Gore
    • Stewart Island
  • Gisborne

Media

  • Video
    • All Video
    • NZ news video
    • Herald NOW
    • Business news video
    • Politics news video
    • Sport video
    • World news video
    • Lifestyle video
    • Entertainment video
    • Travel video
    • Markets with Madison
    • Kea Kids news
  • Podcasts
    • All Podcasts
    • The Front Page
    • On the Tiles
    • Ask me Anything
    • The Little Things
  • Cartoons
  • Photo galleries
  • Today's Paper - E-editions
  • Photo sales
  • Classifieds

NZME Network

  • Advertise with NZME
  • OneRoof
  • Driven Car Guide
  • BusinessDesk
  • Newstalk ZB
  • Sunlive
  • ZM
  • The Hits
  • Coast
  • Radio Hauraki
  • The Alternative Commentary Collective
  • Gold
  • Flava
  • iHeart Radio
  • Hokonui
  • Radio Wanaka
  • iHeartCountry New Zealand
  • Restaurant Hub
  • NZME Events

SubscribeSign In
Advertisement
Advertise with NZME.
Home / New Zealand

Cockle Bay homicide: Wiremu Arapo killed by boxing pupil and flatmate who burned down house to destroy evidence, Crown claims

By George Block
Reporter·NZ Herald·
11 Sep, 2023 05:19 AM7 mins to read

Subscribe to listen

Access to Herald Premium articles require a Premium subscription. Subscribe now to listen.
Already a subscriber?  Sign in here

Listening to articles is free for open-access content—explore other articles or learn more about text-to-speech.
‌
Save

    Share this article

Firefighters battled a large blaze at the East Auckland house. Video / Michael Rowse

Auckland personal trainer Wiremu Arapo was killed by his aggrieved former friend and boxing pupil and a flatmate behind on the rent, the Crown has claimed.

The pair allegedly set fire to Arapo’s home to destroy the evidence of killing, staging the scene to make it look like cannabis smoking gone awry.

They then pretended to try to battle their way through flames back into the Cockle Bay home as part of a charade to deceive witnesses as to their true role, the Crown alleges.

Sean Andrew Hayde and Gregory David Hart are on trial in the Auckland High Court jointly charged with murdering Arapo, 27, who ran a personal training business from the garage of the Minerva Terrace home, on October 20, 2020.

They are also both charged with attempting to pervert the course of justice by setting fire to the home.

Advertisement
Advertise with NZME.
Advertisement
Advertise with NZME.

Hayde is charged with strangling, assaulting and threatening to kill his former partner, weeks before allegedly killing Arapo. The men have pleaded not guilty to all charges.

In his opening address on Monday, Crown prosecutor Ned Fletcher set the scene for the jury of a tangled web of personal grudges and infidelities resembling a suburban East Auckland soap opera.

“This is a case about relationships, relationships gone wrong, and their snowballing effects,” Fletcher said.

Advertisement
Advertise with NZME.

Relationships between Arapo, his layabout flatmate Hart, the volatile Hayde and two women continued to worsen until the tensions reached their crescendo with an eruption of violence on October 20, the Crown claims.

Fletcher said Arapo, a former soldier, was a well-liked and athletic young man with much to look forward to.

Sean Hayde is standing trial at the Auckland High Court accused of the murder of Wiremu Arapo in Cockle Bay, whose body was found after a house fire. Photo / Jason Oxenham
Sean Hayde is standing trial at the Auckland High Court accused of the murder of Wiremu Arapo in Cockle Bay, whose body was found after a house fire. Photo / Jason Oxenham

Hayde’s defence is that Hart killed Arapo.

His lawyers will claim his former partner concocted the domestic violence allegations because she was unhappy he was taking up with a new partner.

Hart’s defence is that Hayde killed Arapo.

His lawyers will claim Hayde was the dominant figure in the friendship, who now wants to blame his friend for the killing.

Arapo first met Hayde in 2019. Arapo and his fiancee worked together at a gym in Highland Park, Fletcher said.

Hayde signed up for boxing classes and came to be taught by Arapo.

At the time, Hayde was in a relationship with the woman he is charged with assaulting, Fletcher said.

Gregory Hart in the dock on the first day of his trial. Photo / Jason Oxenham
Gregory Hart in the dock on the first day of his trial. Photo / Jason Oxenham

In 2020, as the first Covid lockdown was ending, Arapo lost his job at the gym.

Advertisement
Advertise with NZME.

He and his fiancee moved into the Minvera Tce rental, a property with a sprawling section and large garage, perfect for a gym.

Arapo started a personal training business and began to take clients at the property, including Hayde, who continued his boxing lessons in the shed, Fletcher said.

It was through Hayde he met Hart. The pair had known each other for 20 years, since they were 12 or 13.

Arapo and Hart found common ground. They had both served in the army in their younger years, Fletcher said.

When Arapo and his fiancee’s flatmate moved out in June 2020, they offered one end of the house to Hart, who accepted and moved in.

But the relationship between Arapo and Hart quickly soured, Fletcher said.

Advertisement
Advertise with NZME.

By early August he was already having to remonstrate with Hart about unpaid rent and bills and lax cleaning, it is alleged.

Crown prosecutor Ned Fletcher said the case against Hart and Hayde is about relationships, and how they soured before the alleged eruption of violence and fire. Photo / Jason Oxenham
Crown prosecutor Ned Fletcher said the case against Hart and Hayde is about relationships, and how they soured before the alleged eruption of violence and fire. Photo / Jason Oxenham

Hart would sleep until noon. Arapo repeatedly had to ask him to pull his weight, Fletcher said.

While all this was going on, a budding romance was brewing between a woman Arapo had introduced to Hayde, despite Hayde being in a relationship, it is alleged.

Hayde and his then-partner had moved into a flat on Bucklands Beach Rd, about 10 minutes up the road from the Minerva Tce property.

In mid-August 2020, things began to grow more serious between Hayde and Arapo’s female friend. Initially, Arapo was happy to have played the role of matchmaker.

Hayde’s partner began to suspect something was going on and eventually, on August 29, he admitted he was sleeping with the other woman.

Advertisement
Advertise with NZME.

After the admission, Hayde began to goad his partner with details of the affair and went on to assault and strangle her, Fletcher alleged.

The Crown case is he also threatened to set fire to the home and stop her leaving.

Hayde was arrested, charged and bailed for allegedly assaulting and strangling his partner.

The Cockle Bay house after it was engulfed by a fire. Photo / Michael Craig
The Cockle Bay house after it was engulfed by a fire. Photo / Michael Craig

As August moved into September and Arapo got word of the charges, he began to take a dim view of Hayde’s new relationship with his friend, Fletcher alleged.

Meanwhile, Hayde was growing frustrated at his how his new partner was continuing to communicate with Arapo.

Tensions continued to build.

Advertisement
Advertise with NZME.

Hayde messaged Hart urging him to move out so he could exact revenge on Arapo for his perceived transgressions against the pair, saying “bro the day you get your bond back I’ll actually kick his teeth out [sic]”, the Crown alleges.

On October 19, the day before the alleged murder, Arapo was aggrieved to see Hart had bought a bottle of gin and a pack of cigarettes after claiming he did not have enough money to pay the power bill, Fletcher said.

That night, Arapo drank the bottle of gin and woke the next day nursing a hangover, the Crown claims.

On the afternoon of October 20, CCTV captured Hayde’s car travelling to the property at Minerva Tce.

Shortly before 6pm, neighbours heard the sound of a fight coming from the property and someone yelling “I told you last night, mate”. They heard a man banging into French doors as if he was being assaulted, Fletcher said.

Soon after, they saw Hayde and Hart attempting to break into the home, as part of what Fletcher alleged was their ruse to make it look like they were trying to save Arapo.

Advertisement
Advertise with NZME.
Justice Geoffrey Venning presidiing over the trial. Photo / Jason Oxenham
Justice Geoffrey Venning presidiing over the trial. Photo / Jason Oxenham

When firefighters discovered his body, they noticed it was lying in the lounge with his feet by the door and his head pointing towards the origin of the fire. The firefighters thought that would be unusual if he had been attempting to flee.

A post mortem examination of Arapo’s badly burned body concluded he had died via multiple instances of blunt force trauma, rather than from the effects of the fire.

There were only trace amounts of soot in his trachea. Much more would be expected if he was still breathing when the fire was raging.

There was also no carbon monoxide in his blood indicating smoke inhalation.

Paul Borich KC is representing Hart, alongside Jonathan Hudson. Photo / Jason Oxenham
Paul Borich KC is representing Hart, alongside Jonathan Hudson. Photo / Jason Oxenham

In addition, parts of the inside of his skull were burned, indicating his head was fractured before the fire started. The hyoid bone in his neck was broken, a rare fracture usually only seen in strangulations and hangings due to its mobility, the jury heard.

Fletcher said Hayde and Hart were taken to Middlemore Hospital, where they made statements to police.

Advertisement
Advertise with NZME.

They were not arrested until December 8. Before he was charged, Hart told his former partner Hayde “just lost it”, Fletcher alleged. He is also alleged to have said Hayde and Arapo never liked each other.

Emma Priest, one of Hayde’s lawyers alongside Julie-Anne Kincade KC, said her client’s former partner embellished the allegations because she was upset about the new relationship.

Hayde had no part in Arapo’s death, Priest said.

“It was Mr Hart who killed him,” she said.

As for the fire, the key issue was whether it was deliberately lit at all, or whether it was caused by candles burning in the lounge, she said.

Jonathan Hudson, acting for Hart with Paul Borich KC, said his client did not kill Arapo.

Advertisement
Advertise with NZME.

“The sole person responsible for the murder is Sean Hayde,” Hudson said.

“Sean was the dominant figure in an awkward friendship that seemed to centre around smoking cannabis and drinking cheap wine from the supermarket.”

The Crown will call about 60 witnesses during the trial, expected to last up to five weeks, before the defence opens their case.

The trial continues.

George Block is an Auckland-based reporter with a focus on police, the courts, prisons and defence. He joined the Herald in 2022 and has previously worked at Stuff in Auckland and the Otago Daily Times in Dunedin.

Save

    Share this article

Latest from New Zealand

Kahu

Family of man who died after incident with police push for officer body cameras

21 Jun 06:04 PM
New Zealand

Vege tips: Winter, time for onions and strawberries

21 Jun 05:00 PM
New Zealand

The ABCs of wool in 1934

21 Jun 05:00 PM

Jono and Ben brew up a tea-fuelled adventure in Sri Lanka

sponsored
Advertisement
Advertise with NZME.

Latest from New Zealand

Family of man who died after incident with police push for officer body cameras

Family of man who died after incident with police push for officer body cameras

21 Jun 06:04 PM

A petition for police body cameras has gained nearly 15,000 signatures.

Vege tips: Winter, time for onions and strawberries

Vege tips: Winter, time for onions and strawberries

21 Jun 05:00 PM
Three bidders confirmed for Northland Expressway PPP

Three bidders confirmed for Northland Expressway PPP

21 Jun 05:00 PM
The ABCs of wool in 1934

The ABCs of wool in 1934

21 Jun 05:00 PM
Help for those helping hardest-hit
sponsored

Help for those helping hardest-hit

NZ Herald
  • About NZ Herald
  • Meet the journalists
  • Newsletters
  • Classifieds
  • Help & support
  • Contact us
  • House rules
  • Privacy Policy
  • Terms of use
  • Competition terms & conditions
  • Our use of AI
Subscriber Services
  • NZ Herald e-editions
  • Daily puzzles & quizzes
  • Manage your digital subscription
  • Manage your print subscription
  • Subscribe to the NZ Herald newspaper
  • Subscribe to Herald Premium
  • Gift a subscription
  • Subscriber FAQs
  • Subscription terms & conditions
  • Promotions and subscriber benefits
NZME Network
  • The New Zealand Herald
  • The Northland Age
  • The Northern Advocate
  • Waikato Herald
  • Bay of Plenty Times
  • Rotorua Daily Post
  • Hawke's Bay Today
  • Whanganui Chronicle
  • Viva
  • NZ Listener
  • Newstalk ZB
  • BusinessDesk
  • OneRoof
  • Driven Car Guide
  • iHeart Radio
  • Restaurant Hub
NZME
  • About NZME
  • NZME careers
  • Advertise with NZME
  • Digital self-service advertising
  • Book your classified ad
  • Photo sales
  • NZME Events
  • © Copyright 2025 NZME Publishing Limited
TOP