Rain and ice caused a pileup of a dozen vehicles Sunday that damaged a fire engine on a New Jersey Turnpike overpass Sunday. The trouble began when firefighters and an EMS crew responded to a one-car accident on Route 42 in Bellmawr, Fire Chief Jim Burleigh said. The responders blocked the road with a fire engine to protect workers at the scene, Burleigh said. As the EMS crew worked to treat the driver involved in the accident, another car slid on the ice and hit the fire engine.