TORONTO, Ont. – Fire crews were busy Sunday morning battling a large fire at a bakery on Bathurst Street at Caribou Road, near Lawrence Avenue.

The call came in just after 10 a.m. Sunday, with the fire quickly being upgraded to a three-alarm blaze.

The fire happened at Haymishe Bagel, located at 3031 Bathurst Street, a bakery located in the north-west end of the city.

Thick smoke was spotted from blocks away, and reports indicate the first floor of the shop actually collapsed due to the heat.

There were no reports of injuries in the fire, with police saying all employees managed to get out safely.

The cause of the blaze is unknown, and an investigation will likely follow.