Police and fire crews responded to a massive fire behind a building in Vaughan on Tuesday afternoon.

Crews responded to several 9-1-1 calls about thick smoke in the Keele Street and Langstaff Road area around 1:30 p.m.

Along with huge plumes of black smoke, a witness who was behind the building tells 680 NEWS he heard explosions as well.

Vaughan Fire says the blaze involved plastic storage containers behind the building.

No injuries have been reported so far and fire crews appear to have the fire under control.