RENTON, Wash. (AP) — Firefighters say six people were hurt in a vehicle crash involving a Metro bus in the Seattle suburb of Renton. Renton Firefighters said on Twitter at about 6:13 p.m. Thursday that units were responding to a serious vehicle crash at 140th Avenue Southeast and Maple Valley Highway. Firefighters say the crash involved the bus, a dump truck and a passenger vehicle, and they called it a mass casualty incident due to multiple patients. Firefighters later said five people were hurt and then added one more, saying a total of six people were taken to hospitals. Roads there were closed and police were at the scene investigating.