Violence against Afghan civilians fell in the first half of the year , according to a recent United Nations report . NEW : 78 others are wounded . The attack comes as the United States is trying to build a coalition against Islamic State militants in Iraq and Syria. No international coalition service members are killed . The Taliban claims responsibility .
NEW : 78 others are wounded . The attack comes as the United States is trying to build a coalition against Islamic State militants in Iraq and Syria. No international coalition service members are killed . The Taliban claims responsibility .