The U.S.-led coalition said in a statement Tuesday that its forces killed 43 militants in southern Afghanistan.
The Afghan and U.S.-led troops battled the militants Sunday in Qalat district of Zabul province.
The statement said a joint patrol was ambushed with sniper fire, machine guns and heavy weapons from militants in multiple locations.
The coalition said its forces fired back with small arms and rocket propelled grenades. They also called in air support.
The statement said no Afghan or U.S.-led troops were killed or wounded in the attack.
Some information for this report was provided by AFP, AP and Reuters.