A passenger bus rammed into a fuel truck on a highway in Jalalpur Pirwala, eastern Pakistani Punjab Province on Tuesday, igniting a fire that killed at least 20 people, police and rescue officials said. The injured were taken to a hospital and at least six were reportedly in critical condition. Tahir Wattoo, a local government official in Multan, the nearest district, said early indications were that the bus driver's negligence had caused the collision.