PoliticsSyrian forces advance into east Aleppo00:54This browser does not support the video element.Politics12/01/2016December 1, 2016Syrian troops, backed by Russian forces, have moved into areas of east Aleppo. Russia has proposed four humanitarian corridors to bring in aid. Aleppo is the stronghold of the Syrian opposition, but it is on the verge of falling.Copy linkAdvertisement