Ten members of one Afghan family were killed following a US drone strike in Kabul, according to relatives.
The drone strike on Sunday was aimed at a vehicle carrying "a substantial amount of explosive material" and heading to Kabul airport, US officials said.
A military official said the strike had caused "significant secondary explosions".
According to relatives, the strike killed five young children - a boy and a girl aged two; a five-year-old girl; a six-year-old boy and a seven-year-old girl.
Two boys, 12 and 16, were also killed along with a 36-year-old man, his 20-year-old son and his nephew, 28.