At least seven people were killed and 10 others injured when a bomb planted in a van went off Sunday at a bus stop on the outskirts of Peshawar. The explosive device was planted in a van parked at the bus stop in Mattani area,the police said. The bus stop was crowded at the time of the blast. Seven persons were killed by the blast,witnesses told TV news channels. Ten others were injured and several women and children were among the dead and wounded.