KABUL, Afghanistan—A military spokesman says a car bomb has struck a U.S. convoy in eastern Afghanistan, wounding a soldier.

Sgt. 1st Class Joel Peavy says the attack happened Thursday outside Jalalabad, the capital of the eastern Nangarhar province. He could not say whether the car was driven or was parked.

Afghan officials were checking reports that there were civilian casualties in the blast.

Taliban militants regularly use suicide attackers and car bombs in their assaults against U.S., Afghan and other foreign troops.

in the country. On Wednesday, a truck bomb in southern Afghanistan killed six people and wounded 42.