The fire department is still working to determine what started a large fire at Standard Aero an aerospace company in the city.

A plume of smoke could be seen rising from the building Saturday afternoon. The call came in around 2:45 p.m.

Firefighters worked to fight the blaze from the roof of the facility.

The department says there is extensive damage to the 60,000-square-foot building, but how much damage exactly is still being worked out.

The atmosphere inside is not safe yet for crews to investigate further.

No injuries have been reported.