MADISON, Maine — Firefighters from several Somerset County communities are battling a blaze at Campbell’s Building Supplies.

The fire at the business, located at 339 Main St., was reported about 5:15 p.m and firefighters were still on scene as of 8:30 p.m., a Somerset County emergency dispatcher said.

Madison fire crews are being assisted by their colleagues from Skowhegan, Norridgewock and Anson, the dispatcher said.