Crews from the Cranberry Township Volunteer Fire Department responded to a report of a structure fire at 2:13 p.m. Tuesday at 745 Slate Lane. Officials said the fire appeared to start underneath a mobile home, causing damage to the underside. No damage was reported on the interior, and no injuries were reported. Crews were called back to the home at 4:41 p.m. after the fire appeared to rekindle. Officials said the cause of the fire has not been determined.