Period of relative calm, the longest since the conflict began in 2014, is raising hope of a permanen

Russia and Turkey back different sides in Syria's conflict, but have worked prior halts in violence

Guterres issues urgent appeal for additional aid for 900,000 who have recently fled violence, includ

Syrian government forces, backed by Russia, and rebel fighters in the in the country's northwestern

At least 40 civilians, including women and children, have been killed and scores of others wounded i