BBC: syrian pro-government forces in eastern aleppo have been kiling people, including women and children, on the spot in their homes and on the street, the united nations says. the un's human rights office said streets were ful of bodies. meanwhile, the un children's agency cited a doctor as saying a building housing as many as 100 unaccompanied children was under heavy attack. rebels, who have held east aleppo for four years, are on the brink of defeat. thousands of people are reportedly trapped in the last remaining neighbourhoods stil in rebel hands, facing intense bombardment as pro-government troops advance. the syrian government's ally russia, which has rejected calls for a humanitarian truce, earlier said any atrocities were "actually being committed by terrorist groups", meaning rebel forces. rebel officials said on tuesday that an agreement had been reached to evacuate civilians and fighters from besieged areas but there has been no confirmation from the syrian government or russia. the un security council wil discuss the situation in aleppo later on tuesday.