A remote-controlled bomb hit a passenger van in northwest Pakistan Sunday morning, killing 15 people, police said. There were other casualties, but the number wasn\'t immediately reported, Geo News said. Officials said some passengers were in critical condition and the death toll could rise. Three women and three children were among the dead, the report said. Police wouldn\'t speculate on the motive for the attack in the Lower Dir region, which borders Afghanistan, Geo said.