"We are trying to establish the circumstances of what happened and why," Detective Inspector Tofilau Faa Vaaelua said.
"We are appealing to anyone who knows anything about the incident to contact the Counties Manukau Police on (09) 261 1321, or anonymously on 0800 Crimestoppers, 0800 555 111."
Police are guarding the address where the man was shot at Clover Park while a scene examination is conducted. Photo / Dean Purcell
A resident told the Herald there was a "huge police presence" on the street as armed police guarded the property overnight and well into Easter Sunday.
The resident said there had also been two ambulances on the street while police "had the whole street cordoned off".
Armed police are guarding the cordon and a resident on Darnell Crescent told the Herald she felt "really safe" because of the police presence. Photo / Dean Purcell
Another resident closer to the cordon told the Heraldshe thought she heard four or six gunshots but said it sounded like fireworks.
"People have fireworks all the time, you don't take notice."