A training facility used by the Toronto Argonauts has been destroyed by an overnight fire.

The fire gutted the building, located in Mississauga at University of Toronto's Erindale campus.

Heavy smoke was seen pouring out of the building when firefighters arrived on the scene at around 1:30 a.m. Flames were also seen shooting through the roof.

Fire crews say the entire structure has been destroyed.

No one was injured in the blaze.