Four labourers were killed when a mortar shell landed at a factory in the Bara tehsil of Khyber Agency on Wednesday. According to official sources, the shell was fired from an unidentified location. It hit a factory located in the Spah area of Bara, killing four labourers and damaging the building. Locals pulled the dead bodies from the factory rubble and shifted them to hospital. In a separate incident, a militant commander, identified as Naikmat Khan, was planting a bomb to target security forces, but was killed after the explosive device went off.