The United Nations agreed on Monday to send investigators to Iraq to examine crimes being committed by Islamic State militants on "an unimaginable scale", with a view to holding perpetrators to account.
Popular environmentalist Marina Silva looks capable of winning Brazil's presidential election in October but a major campaign gaffe and mounting attacks from other candidates and the media suggest the race is still wide open.
Three American citizens detained in North Korea appealed to the U.S government on Monday for help returning home, speaking in rare interviews with U.S. media that were set up by the North Korean government and may signal an attempt by Pyongyang to reopen a long-stalled dialogue.