NEW : A little - known group calling itself Ahrar Ul Hind claims responsibility . The militants throw grenades , fire guns and then blow themselves up , they escape . The attack on a court building in central Islamabad wounds at least 39 people . A judge is among the 11 people reported dead by medical officials .
NEW : A little-known group calling itself Ahrar Ul Hind claims responsibility . Two militants throw grenades , fire guns and then blow themselves up , police say . The attack on a court building in central Islamabad wounds at least 39 people . A judge is among the 11 people reported dead by medical officials .