“Police are now working to establish what has led to the incident occurring and who is responsible.”
He said a scene examination was under way today.
Duncan said police were in the early stages of inquiries and asked anyone with information to contact them.
Updates can be given online by calling 105 and quoting reference number 250320/8943.
Information can also be provided anonymously via Crime Stoppers on 0800 555 111.
Brodie Stone covers crime and emergency for the Northern Advocate. She has spent most of her life in Whangārei and is passionate about delving into issues that matter to Northlanders and beyond.