Other Business Charleston, WV – Sprinkler system helps contain fire caused by laser cutter at small business November 19, 2018 viking210 Crews were on the scene last Monday night of a fire caused by a laser cutter, South Charleston firefighters say. It happened just before 8:30 p.m. at a small business in the 1700 block of Union Carbide Drive. Crews were on the scene a little more than 20 minutes. The fire activated the sprinkler system at the business. No one was hurt