The US, UK and France have urged the UN to begin air drops of humanitarian aid to besieged areas in Syria.
They said the Syrian government had failed to respect the 1 June deadline for widespread aid distribution agreed by world and regional powers.
Also read: Syria Seizes Parts of Aleppo From Rebels
02:36 Syria blames Turkey for loss of soldiers; government troops advance in Aleppo11
20:14 Syria government forces 'retake largest Aleppo rebel district'18
10:51 'Aleppo is going to die'; thousands flee government bombing of Aleppo11
10:51 State media: Syrian forces capture key Aleppo district13