Detectives are probing the cause of a suspicious fire in suburban Whangarei.
A fire service spokesman said two units were called to Morningside Rd about 2am yesterday, to find a 120sq m house well alight. The house was unoccupied.
Whangarei police Detective Kiley Dalbeth said he was seeking anyone who might have information about the suspected arson, including anyone who might have seen people in the vicinity of the house between midnight and 2am yesterday.
The property was near the corner of Morningside Rd and Limeburners St.
"It's being treated as suspicious ... We are asking the usual, if anyone out there has any information," he said.