kabul least 11 afghan civilians kill 16 wound wednesday nato helicopter attack house taliban insurgents take shelter logar province east capital kabul local governor say immediate confirmation nato u.s. aircraft involve spokesman resolute support nato-led mission kabul say email statement aware report look logar governor halim fedaee say incident occur dashte bari district near provincial capital pul-e alam taliban take position civilian house fire rocket nato helicopter governor say house owner beg taliban leave t. helicopter take turn come hit house cause deaths incident day report afghan air strike kill least 13 civilians western province herat underline risk recent increase air raid u.s. afghan force increase civilian casualties unite nations figure show 43 percent spike civilian casualties afghan u.s. air strike first half year 95 kill 137 wound pace air operations increase civilian casualties cause u.s. air strike long source friction afghanistan risk casualties may increase u.s. step operations part president donald trump new strategy afghanistan early resolute support deny taliban statement u.s. helicopter shoot logar province say helicopter make precautionary land maintenance issue least 11 afghan civilians kill air strike local official say