Russia has also threatened to veto a UN resolution that guarantees the entry of international aid to Syria’s rebel-held areas in Idlib and Aleppo provinces. That would close down the last UN humanitarian aid route into Syria.
Supplies currently come through just one crossing on the Turkish-Syrian border.
The road through Bab al-Hawa is kept open by a UN mandate, but it needs to be renewed next week, and that’s what Russia is threatening to block.
The residents of al-Tah refugee camp are just some of four million people who rely on UN aid in the area, most of them displaced from other parts of the country.
Producers: Kamal Kaddourah and Heidi Pett.
Filmed by Fadi al-Halabi.