Police are interested in talking to anyone who might have seen the vehicle around Mahana Place or Raumanga Valley Rd, between 5.45am and 6.15am on Wednesday, Pilmer said.
“If you saw a vehicle matching the description, please contact us.
“Even the smallest piece of information could be valuable to the investigation.”
Police want to hear from anyone who may have seen suspicious activity before or after the fire, including those with dashcam footage, Pilmer said.