Eighteen persons have been killed, including women and children, when a marriage party bus hit a landmine in Mohmand Agency area, report said. Reportedly, the fatal incident took place in tehsil Lakro of Mohmand Agency. A private TV channel correspondent said the ill-fated bus struck with anti tank mine planted by local militants, leaving behind 18 people on the spot. Four women and two men were injured in the incident. The military operation is underway in Mohmand Agency and militants planted the mine to target army convoy.