Military operation kills 13 civilians , three militants , U.S. says . Coalition offers condolences , helps identify victims . Weapons and ammunition found at site of attack . A `` recent consensus between the Afghan government and NATO , which gives more authority to the Afghan security forces during military operations , house searches and detention of suspected individuals , will help in reducing civilian casualties and bringing more effectiveness in the fight against terrorism , '' Karzai said . Comment:
Military operation kills 13 civilians , three militants , U.S. says . Coalition offers condolences , helps identify victims . Weapons and ammunition found at site of attack . Comment: