The incident in western Afghanistan is under investigation , ISAF said . 2 U.S. service members are killed by a roadside bomb in southern U.S. . The ISAF claims responsibility for the roadside bombing . ISAF : 2 members were killed when an Afghan soldier turned his weapon on him . Another Taliban member is killed in an insurgent attack in northern Afghanistan .
2 U.S. service members are killed by a roadside bomb in southern U.S. . The ISAF claims responsibility for the roadside bombing . ISAF : 2 members were killed when an Afghan soldier turned his weapon on him . Another Taliban member is killed in an insurgent attack in northern Afghanistan .