UPDATE: Chevy's Fire Deemed Accidental, Caused by Grease Igniting in Kitchen

The fire that ripped through Chevy's restaurant on Route 10 Thursday morning has been deemed accidental and began in the kitchen where grease ignited in the ducts above the charcoal broiler, the Morris County Prosecutor's Office said.

According to Jeffrey Paul, a spokesman for the prosecutor's office, the fire in the duct spread to the area above the ceiling, causing significant damage to the kitchen and bar area. The entire restaurant sustained smoke and water damage, the prosecutor's office said.

The fire, which was deemed under control at about 11 a.m., was initially reported by a motorist who saw flames coming from the building's rooftop at about 8:45 a.m., according to a statement released by the Parsippany Police Department.

There was no one in the building at the time of the fire, Parsippany Police said. According to Sgt. Yvonne Christiano, two firefighters were taken to the hospital for smoke inhalation. 

The Morris County Prosecutor's Office Arson Unit, Parsippany Police Department and Parsippany fire districts Nos. 1, 3, 6 and the District No. 4 fast team responded. Fast teams from Cedar Knolls and Boonton as well as EMS units 1, 2 and 4 assisted at the scene.

The Parsippany Police Department, Parsippany Fire Marshall’s Office, the Morris County Sheriff’s Office Criminal Investigation Section and the Morris County Prosecutor’s Office Arson Unit conducted an origin and cause investigation into the fire, the prosecutor's office said.