KABUL, Afghanistan -- A suicide car bomber targeting a U.S.-operated base in eastern Afghanistan killed at least three Afghans and injured six others Wednesday, officials said.
There were no immediate reports of casualties among U.S. or North Atlantic Treaty Organization forces.
Afghan officials said the attack happened shortly after 7 a.m. near the entrance to Forward Operating Base Chapman in Khowst, a province near the border with Pakistan that is a hotbed of insurgent activity.
The bomber detonated a minivan packed with explosives when stopped by Afghan security guards at a checkpoint on a road leading to the base, said Provincial Police Chief Abdul Qayoum Baqizoy. One of the guards and two civilian drivers were killed in the blast, which also injured six other people, he said.
“It is important to note that there was not any breach of the [base] perimeter,” said Charlie Stadtlander, a spokesman for the International Security Assistance Force in Afghanistan.