In Syria, at least 16 civilians, including several children, have been killed in air strikes believed to have been carried out by Russian jets in Deir Ezzor province. <br/><br/>The Britain-based Syrian Observatory for Human Rights said, the civilians were killed as they tried to cross the Euphrates river near the town of Abu Kamal.<br/><br/>The eastern province is partly controlled by the Islamic State terror group, which is under pressure from several fronts in war-torn Syria. Abu Kamal is one of the few remaining urban strongholds of IS in Syria.<br/><br/>More than 330,000 people have been killed in Syria since the conflict erupted in March 2011 with anti-government protests.