The fire remains under investigation, Warren Township Police Lt. Herbert Hentschel said. Hentschel said the case has been referred to the Somerset County Prosecutor's Office.
Prosecutor's Office Spokesman Capt. Jack Bennett said only that the family was home and got out safely when the the fire began. He said there were no injuries at the scene.
Warren Township Fire Chief Michael LoSapio said firefighters arrived at the scene at about 9:50 p.m. and found visible flames in all directions.
The chief requested a second alarm assignment that was escalated to a third alarm.
The fire took approximately an hour to place under control, LoSapio said. He also said there were no department or civilian injuries.
Early Friday afternoon, LoSapio said the cause is still under investigation.
In addition to Warren Township, the Green Brook, Martinsville, Liberty Corner, Watchung and Finderne fire departments responded to the scene.
EMS support was provided by Liberty Corner, Martinsville and Warren Rescue Squads, LoSapio said. Standby units from Bound Brook, Millington and Green Knoll were at the Warren firehouses, and North Plainfield and Berkeley Heights were standing by at their headquarters, the chief added.
Burglary, theft, also reported in Warren Twp. on Thursday night
Warren Township police also reported they also responded on Thursday at about 8:55 p.m. that a home on Geiger Lane where a burglary had been reported. The police report said entry was gained through a rear door. The value of items was not specified, and a police report was filed.
Also, Warren Township police said that at about 6:30 p.m. Thursday, a Charles Road resident reported a theft of a Yamaha Quad, two barbecue grills and three fishing poles. The combined approximate value of the items was $3,500, according to the township police report.Patch will continue to update this story as more information is available.