Pakistani security forces recovered at least eight out of 16 mine workers who were kidnapped by militants in the country's restive northwest Thursday morning, police and two security officials said. The operation was launched hours after insurgents ambushed and attacked the workers' vehicle in a narrow road in Lakki Marwat district in Khyber Pakhtunkhwa province bordering Afghanistan, police officer Mohammad Ijaz said. The attack occurred as the men were travelling from Lakki Marwat to a nearby mining project, Ijaz said. He gave no further details. Other security officials said the mining project where the men worked is related to the Pakistan Atomic Energy Commission, though the abducted workers are not its employees. They said an operation is still underway to recover the remaining workers. It was unclear whether those insurgents holding the men suffered casualties. No one from the commission was immediately available for comment. The latest development comes after militants se