An NZME photographer at the scene said 12 police vehicles remained at the scene for several hours after the initial callout.
Specialist police staff remained, including a forensic photographer and serious crash unit members, as detectives donned coveralls while working in the driveway.
Neighbors in the cul-de-sac were watching from their windows as the police investigation continued into the evening.
Sign up to The Daily H, a free newsletter curated by our editors and delivered straight to your inbox every weekday.
