NATO 's International Security Assistance Force confirmed the attack was carried out by a Taliban suicide bomber . NEW : All of the injured soldiers are Americans , an Afghan official says . At least three Afghan civilians are killed in the attack . Gen. John Paul Allen : The attack says more about what the Taliban do not do . ` ` Their only ability to influence the situation '' is often to go for a high - intensity attack , he says .
NEW : All of the injured soldiers are Americans , an Afghan official says . At least three Afghan civilians are killed in the attack . Gen. John Paul Allen : The attack says more about what the Taliban do not do . ` ` Their only ability to influence the situation '' is often to go for a high - intensity attack , he says .