Mosul residents told to stay in homes before airstrikes that killed civilians

Pentagon opens investigation into reports that more than 150 civilians died in US-led bombings to retake Iraqi city from Isis Residents in Mosul were instructed not to leave their homes ahead of airstrikes last week that are reported to have killed more than 150 civilians, Amnesty International has said. Related: Shell-shocked Mosul survivors tell of intense airstrikes