A pre-dawn fire damaged five units in a commercial building in Costa Mesa Tuesday, but nobody was hurt. The extra-alarm blaze began about 3:30 a.m. at 1515 MacArthur Blvd. in a single-story, 20-unit building that houses various businesses, including a woodworking operation, said Costa Mesa Fire Capt. Joseph Noceti. The fire’s cause is under investigation, […]