Madina:Thirty-five foreigners were killed and four others were injured when a bus collided in Medina's Muslim holy city with another heavy vehicle, Saudi state media said . According to the official, the accident on Wednesday involved a collision between "a private chartered bus  with a heavy vehicle." in the western Saudi Arabian city. According to local media, those involved were Arab and Asian pilgrims who carried pictures of the bus engulfed in flames and blown out with their windows. The injured have been transferred to Al-Hamna Hospital.