NATO : Acknowledges killing 5 civilians in nighttime February raid . `` We have no evidence to date anything improper was done , '' the senior U.S. official said . At time , NATO said deaths had earmarks of honor killing . Comment: Civilian casualties have strained Afghan relations with Western nations .
NATO : Acknowledges killing 5 civilians in nighttime February raid . At time , NATO said deaths had earmarks of honor killing . Comment: Civilian casualties have strained Afghan relations with Western nations .