Crews battle fire in Stamford Saturday night

Crews battled a fire on East Main Street around 7:30 Saturday night.
The building is multi-use and there is a Walgreens on the lower level.
Officials say crews arrived to find smoke in the basement level of the building, causing the sprinklers to go off.
The smoke did not spread to the rest of the building.
Fire officials say they believe the fire started in a dumpster.