US President Donald Trump has said that the United States was monitoring Iranian demonstrations closely, warning against any new "massacre" as protests broke out after Tehran admitted to shooting down a passenger plane.
Iran said earlier it unintentionally downed a Ukrainian jetliner outside Tehran, killing all 176 people aboard, in an abrupt about-turn after initially denying Western claims it was struck by a missile. The firing came shortly after Iran launched missiles at bases in Iraq housing American forces.
President Hassan Rouhani said a military probe into the tragedy had found "missiles fired due to human error" brought down the Boeing 737,