The last remaining food rations are being distributed in besieged rebel-held eastern districts of the Syrian city of Aleppo, the UN has said.
Humanitarian adviser Jan Egeland warned that without a resupply there would be no food left to hand out next week to the 275,000 people living there.
Mr Egeland ruled out airdrops of food, explaining that they were not possible in densely-populated urban areas.
Government forces launched a major assault on eastern Aleppo in September.
Since then, troops have pushed into several outlying areas with the help of Iranian-backed Shia militias and Russian air strikes.
Rebels launched a counter-attack in an attempt to break the siege in late October. But their progress slowed after early gains.
The UN says weeks of air strikes and shelling have killed more than 700 civilians in the east, while rocket-fire has left scores dead in the government-controlled west.(BBC,2016)