A renewed regime onslaught on the besieged neighbourhood of al-Waer is quickly making life for those trapped in the area unbearable, with medical services hugely compromised amid ongoing bombardment.
During an emergency UN summit, Moscow claimed that pro-regime forces have ended their assault on Syria's second city Aleppo, but warned fighters could still be targeted.
The UN has echoed concerns from family members about the fate of hundreds of Syrian men and boys who disappeared when they entered regime-held areas of Aleppo.
Syria's warring factions have continued to use force despite the implementation of a Russian-declared truce in Aleppo on Friday.
A host of international actors and aid organisations have questioned a Russian proposal for a brief ceasefire in Syria, saying the intention is to shore up regime's recent victories
Russian and Syrian air forces have stopped bombing Aleppo as of 0700 GMT on Tuesday, after pre-dawn strikes hit several rebel-held neighbourhoods killing at least 14 civilians.
Russia has claimed that pro-opposition Saudi Arabia, Qatar and Turkey have agreed to talks to distance rebels from Jabhat Fateh al-Sham - formerly affiliated to al-Qaeda.