VIDEO: Dozens of firefighters were called downtown Rochester to a heating and cooling company on Murray Street near Lyell Avenue around 3:30 a.m.

Two dogs were killed in a fire at a heating and cooling business in Rochester early Tuesday morning, according to the family who runs the company.

Dozens of firefighters were called to a three-alarm fire at the building on Murray Street around 3:30 a.m. When they arrived, they saw smoke coming from the entire building.

At one point, firefighters were pulled off the roof because they were concerned it could collapse.

The building is closed overnight, so no one was inside at the time of the fire. The animals that were killed were used as guard dogs.

ORIGINAL:

Dozens of firefighters were called to a three-alarm fire at a building in Rochester early Tuesday morning.

It happened at a heating and cooling company on Murray Street near Lyell Avenue.

Firefighters say they were called to the scene around 3:30 a.m. When they arrived, they saw smoke coming from the entire building.

At one point, firefighters were pulled off the roof because they were concerned it could collapse.

The building is closed overnight, so no one was inside at the time of the fire.

No injuries have been reported.

A portion of Murray Street is closed to traffic south of Lyell Avenue.

Investigators are still trying to figure out how the fire started.