NATO said it was prepared to send troops to Turkey to defend its ally after violations of Turkish airspace by Russian jets bombing Syria and Britain scolded Moscow for escalating a civil war that has already killed 250,000 people. Officials at the U.S.-led alliance are still...

At least ten Yemeni civilians were killed when a rocket hit a house in a village in the southwestern province of Dhamar on Thursday and was most likely to have been fired by Saudi-led coalition jets, residents said. Arab coalition warplanes have been responsible for several mass...

Syrian regime forces and allied militia backed by Russian airstrikes launched an offensive against rebels in the Ghab Plain in western Syria Thursday, the Britain-based Syrian Observatory for Human Rights and a rebel fighting there said. Rebel groups led by the dominant Ahrar al-ShamIslamic...

Syrian troops and militia backed by Russian warplanes mounted what appeared to be their first major coordinated assault on Syrian insurgents on Wednesday and Moscow said its warships fired a barrage of missiles at them from the Caspian Sea, a sign of its new military reach. The...