HOMESTEAD, Pa. -- Firefighters were called to the Waterfront Giant Eagle after smoke was seen coming from the building’s roof.

The smoke was reported about 5:30 a.m. along Waterfront Drive in Homestead.

Authorities said heavy smoke could be seen coming from a heating unit, but no flames were reported.

Firefighters are at the scene.

Stay with Channel 11 News and WPXI.com for updates.