(Reuters) - 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. "We are facing a terrorist monster," Iraq's human rights...

(Reuters) - Some young Muslims are attracted to the Islamic State in Iraq and Syria because of its brutality, which makes it appear "more authentic" than al Qaeda, the head of Germany's domestic intelligence agency said in an interview on Sunday. "There is a link between...

(Reuters) - Iraqi army and Kurdish forces closed in on Islamic State fighters on Saturday in a push to break the Sunni militants' siege of the Shi'ite town of Amerli, army sources said. Two officers said Iraqi troops, militia and Kurdish peshmerga were advancing from four...

(Reuters) - U.S. military operations against Islamic State in Iraq have cost an average of $7.5 million per day since they began in mid-June, the Pentagon said on Friday, a figure that means the department has spent more than $500 million on the conflict. Rear Admiral John...