A U.N. report on the use of chemical weapons in Syria is a chance to push Russia to accept a resolution condemning the Syrian regime and resume political negotiations, French Foreign Minister Jean-Marc Ayrault said. A joint investigation by the United Nations and the global chemical...

 The United Nations Special Envoy for Syria called for all warring sides to agree by Sunday to allow the first safe delivery of relief supplies to the divided city of Aleppo. The U.N. is seeking a weekly 48-hour humanitarian pause to deliver food, medicines and other aid to people in...

 Turkish troops fired on U.S.-backed Kurdish militia fighters in northern Syria on Thursday, highlighting the complications of an incursion meant to secure the border region against both Islamic State and Kurdish advances. Syrian rebels backed by Turkish special forces, tanks and...

The Russian military said on Monday its aircraft operating from an Iranian air base to conduct strikes in Syria had completed their tasks, but left open the possibility of using the Hamadan base again if circumstances warranted. Iran's Foreign Ministry said Russia had stopped using the base...