(Reuters) - Saudi Arabia is moving heavy military equipment including artillery to areas near its border with  Yemen , U.S. officials said on Tuesday, raising the risk that the Middle East’s top oil power will be drawn into the worsening Yemeni conflict. The buildup follows a...

  At least 75 Syrian regime fighters were killed on Tuesday in battles with rebels in Busra al-Sham town southern Syria, rebel commander said. Activists said rebels took complete control of the western part of Busra al-Sham, 40 km east of Daraa,  all the way...

(Reuters) - Canada will expand its military mission against Islamic State by launching air strikes against the militants' safe havens in Syria as well as Iraq, Prime Minister Stephen Harper said on Tuesday. That will make Canada the second NATO member nation after the United...

(Reuters) - Iraq's request to the U.S.-led coalition for air strikes in the campaign to retake Tikrit from Islamic State insurgents is "imminent", a senior diplomat from a Western nation that is part of the coalition told Reuters on Tuesday. There was no immediate confirmation...