NEW : Hamidi had said his life was in danger . Afghan Vice President Abbas condemns the attack . Two deputy mayors of Kandahar city have been gunned down by militants in the past year , according to the governor 's office . ` ` It 's not clear to me that this was a Taliban - conducted act , '' Ambassador Crocker says . The Taliban have taken responsibility for the attack , a spokesman says .
NEW : Hamidi had said his life was in danger . Afghan Vice President Abbas condemns the attack . ` ` It 's not clear to me that this was a Taliban - conducted act , '' Ambassador Crocker says . The Taliban have taken responsibility for the attack , a spokesman says .