The death toll in roadside bombing in Lower Dir has reached to ten, as three more injured school girls succumbed to injuries, report said Wednesday. Three U.S. soldiers traveling with local security force members were also killed and one wounded in a landmine blast in northwest part of the country that also injured dozens of schoolgirls. According to a statement released by Inter-Services Public Relations (ISPR) the blast occurred at 10:50 am when a landmine exploded in newly built girls school building in Haji Abad area of Lower Dir, killing seven people on the spot, including three students, three U.S. soldiers and a Frontier Constabulary man. Near 50 School girls, eight FC personnel and another U.S. national were injured in the blast, Pakistan Army said in a statement issued by the ISPR.