Tens of thousands of Syrians fled an intensifying Russian assault around Aleppo on Friday, and aid workers said they feared the major city could soon fall under a full government siege. Iran reported one of its generals had been killed on the front line, giving direct confirmation of the role Tehran is playing along with Moscow in what appears to be one of the most determined offensives in five years of civil war. The government assault around Aleppo, and advances in the south and northwest, helped to torpedo Geneva peace talks this week. Russia’s intervention has tipped the war President Bashar al-Assad’s way, reversing gains rebels made last year. The last two days saw government troops and their […]