PEMBROKE, ONT. -- A fire at an iconic building in Pembroke, Ont. has caused significant damage.

A fire broke out at around 3:30 p.m. Monday at a building well known as the old Red Bargain Barn. The blaze started in the upper portion of the building, which led to the roof collapsing.

Pembroke Fire Chief Dan Herback tells CTV News the building is a total loss.

The building was mostly vacant, he said, with some storage. No injuries have been reported.

All available crews were called to the scene and Herback and remained there well into the night.

Herback says the cause of the fire has not yet been determined.

A stretch of Pembroke Street West between George Street and Douglas Street was closed until about 8 p.m., according to the OPP.