KABUL , Afghanistan ( CNN ) -- A suicide car bomb blast near a voter registration site killed 16 people , 14 of them children , and wounded 58 in southeastern Afghanistan on Sunday morning , according to a senior police official and the U.S. military . The U.S. military released this photo of the blast near a voter registration site . A Taliban spokesman said one of his group 's fighters carried out the attack . When security guards stopped the car at the entrance to the Mandozai district headquarters , the driver detonated the explosives inside the car , Khost provincial security chief Mohammad Yaqoub said . A security guard and an Afghan National Army soldier were among the dead . There were no military casualties , said U.S. Col. Gregory Julian . Coalition and Afghan forces worked together to evacuate the wounded to military and civilian hospitals , he said . The military released photos of the incident , saying they `` provide further proof the Afghan militants are not interested in the welfare nor benefit of the Afghan people . '' Dozens of tribal elders were meeting nearby in the district administrative office at the time of the bombing , the police official said . The Mandozai district is in the Khost province . Zabiullah Mujahid , a Taliban spokesman speaking by phone from an undisclosed location , said the suicide bombing was carried out by Qari Hameedullah , a Taliban fighter . Elsewhere , a rocket attack in Kabul killed three teenage sisters and injured four other people Saturday night , Afghan President Hamid Karzai 's office said in a statement . The girls died when one of two rockets fired on Kabul crashed into a house in the southern part of the city . In the statement , Karzai called those who fired the rockets `` enemies of Afghanistan '' who `` ca n't achieve anything by firing rockets but the killing of innocent civilians . '' The president called the suicide bombing an `` un-Islamic act '' and said those behind it `` are not aware of the Islamic teachings which outlaw the killing of innocent people . Those who ordered and executed this attack can not escape the revenge of Afghans and God 's punishment . '' Journalist Farhad Peikar contributed to this report .
Suicide car bomb in southeastern Afghanistan kills 16 , including 14 children . Taliban says it carried out attack near voter registration site . Rocket attack in Kabul also killed three teenage sisters .