In Syria, Forty militants of Islamic State group including four prominent commanders have been killed in a Russian air-strike outside the country's eastern city of Deir ez-Zor. <br/><br/>Russia's Ministry of Defence said in a statement yesterday that they were gathered for a meeting in an underground bunker outside Deir ez-Zor. The statement further said that heavy clashes are taking place between Syrian government forces and the Islamic State group around Deir ez-Zor city.