Iraqi police have clashed with pro-Iranian militia fighters near the headquarters of the powerful Hizbullah Brigades in Baghdad, Iraq's Interior Ministry says.
Iran has suggested it could be open to a compromise on a small rise in OPEC oil output after earlier rejecting a plan by Russia and Saudi Arabia to increase production in response to consumer concerns over rising prices.
A senior Iranian nuclear negotiator has expressed doubt whether the Iran nuclear agreement can survive, saying that what European powers have offered Iran so far is insufficient.
Iran has rejected a plan by Russia and Saudi Arabia to increase oil production at a meeting of the OPEC oil cartel this week in response to consumer disgruntlement with rising prices.
U.S. Secretary of State Mike Pompeo is scheduled to give a closely watched speech about the United Nations Human Rights Council, amid reports that Washington is preparing to withdraw from the agency.
The United States and human rights watchdogs have condemned Iran's execution of a Sufi man who was convicted of killing three police officers during clashes between police and a Sufi sect in February.