Afghan officials say a suicide bomber has attacked a convoy of international troops in the western province of Herat.

Authoritiessay at least one soldier and two civilians were wounded in theexplosion Friday. They say the bomber attacked U.S. forces assigned totrain Afghan police.

Suicide Bomber Attacks Foreign Troops in Afghanistan

Also Friday, the U.S.-led coalitionannounced its forces killed 11 Taliban militants Thursday in anoperation against a suspected bombing network.

Suicide Bomber Attacks Foreign Troops in Afghanistan

The coalitionsays the leader of the network was among those killed in the raid inKandahar province. The force says the bomb-making cell was responsiblefor roadside attacks that killed coalition forces.

Suicide Bomber Attacks Foreign Troops in Afghanistan

The coalition says one woman found inside the raided building was taken to a medical facility for treatment of her wounds.

Reporters have not independently confirmed the coalition's statement.

About70,000 international troops are in Afghanistan fighting a Talibaninsurgency that has raged since the United States pushed the extremistgroup from power in 2001.