Defying calls by the U.N. Security Council to end hostilities against the Yemeni government, a Houthi tribal leader on Sunday urged supporters to wage a campaign of civil disobedience until their demands are met. The Houthis, who have been fighting for years for more power for...

(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...

(Reuters) - A mounting death toll in President Bashar al-Assad's armed forces is causing alarm among some government loyalists who are worried about Islamic State's territorial gains and are turning their anger on the authorities in Damascus. The execution of scores of Syrian...