03/11/2012 10:11 am ET Updated May 11, 2012

Afghanistan Shooting Only Involved One Soldier: U.S. Officials

WASHINGTON, March 11 (Reuters) - Only one U.S. soldier appears to have been involved in Sunday's shooting of Afghan civilians, a U.S. official said, the latest incident that is sure to strain U.S.-Afghan relations and inflame public opinion in Afghanistan.

The Afghan Defense Ministry said that Western forces killed 15 civilians in a shooting spree in southern Kandahar province.

A senior U.S. defense official said Defense Secretary Leon Panetta "was deeply saddened to hear last night of this incident and is closely monitoring reports out of Afghanistan." (Reporting By Missy Ryan; Editing by Bill Trott)