Russian investigators worked Tuesday to determine whether the assassination of their ambassador to Turkey was the work of a lone gunman or part of a wider conspiracy as the two countries, which have backed opposing sides in the Syrian war, said they would not let the killing disrupt...

Syria's army broadcast messages into the last rebel enclave of Aleppo saying it would enter the area on Tuesday, a military media unit run by the government's ally Hezbollah reported, urging insurgents to speed up their evacuation of the city. A rebel official based in Turkey told Reuters...

At least 22 people were killed in clashes between government forces and rebels on the outskirts of the flashpoint city of Taez in southwest Yemen, military sources said Tuesday. The fighting late Monday north of Taez, held by loyalists but partly surrounded by Shiite Houthis and their rebel...

Several villages held by Islamic State have been captured by the Syrian Democratic Forces (SDF), a coalition of militias backed by the United States that includes a strong Kurdish contingent, an organisation that monitors the war said on Monday. The advance is part of a military campaign...