The police say the blast injured dozens of other people - some critically. No one has claimed responsibility for the attack. Bomb under bench Witnesses told the French news agency the bomb was put in the passenger lounge under a bench. The three who died were believed to have been sitting on the bench, while dozens of others were injured by flying debris. Buses are frequently targeted by bombers Doctors say 10 of the injured, who include two children, are critically ill.
Police say the device was a home-made bomb detonated by remote control.
A bus heading for the industrial town of Faisalabad, which was due to depart from the main bus stand when the bomb went off, was destroyed, according to police. Ten other buses parked outside were also damaged in the blast. Dozens of explosions have rocked Pakistan in recent months, including several in Lahore. In July one person was killed and several injured when a bomb was detonated on a bus at the same bus station shortly before it was due to leave Lahore for the northern city of Gujarat. In early May, one person died and a number of others were injured in a series of bomb explosions in the southern city of Karachi.