The death toll has risen to at least 75 in northwestern Pakistan after a suicide bomber drove onto a crowded sports field and detonated an explosives-laden vehicle.
Police say the Friday blast in North-West Frontier Province took place as about 200 people had gathered to watch a volleyball game. Investigators say the explosion injured dozens of people, including some who had gathered in a nearby mosque.
The blast also caused nearby homes to collapse, leaving some people trapped under debris.
Reuters news agency quotes a local police chief, Ayub Khan as saying rescuers have removed the wounded, as well as the bodies of those killed by rubble.
There have been no claims of responsibility but provincial police chief Malik Naveed tells VOA the bombing in Lakki Marwat may be a militant revenge attack.
He says the area had been considered a hub for Taliban insurgents until local residents, with help from authorities, set up a militia force and killed or expelled militants.