Firefighters Sunday made quick work of a fire inside a warehouse in Riverside that was held in check by the building’s sprinkler system.

Firefighters were dispatched at 7:16 a.m. to Prudential Overall Supply, 6997 Jurupa Ave., and reported a working fire in the warehouse held in check by the fire sprinkler system, Riverside Fire Department Battalion Chief Bruce Vanderhorst said.

“The fire is knocked down and crews are on scene overhauling,” Vanderhorst said. “Crews are working on ventilating, shutting down the sprinkler system and extensive mop up.”