Fighting raged on in southern Aleppo on Saturday, the army and rebels said, hours after the United States and Russia hailed a breakthrough deal to put Syria's peace process back on track.
An air strike near Syria's battleground second city Aleppo has killed the commander of the largest rebel alliance in the biggest blow since its formation early last year, a monitor said on Friday.
A suspected chlorine gas attack on an opposition-held neighbourhood in the Syrian city of Aleppo caused dozens of cases of suffocation on Tuesday, rescue workers and a monitoring group said.
The Syrian army and its allies aim to strike insurgents to the south and west of Aleppo after encircling the rebel-held half of the city, blocking rebels from sending reinforcements from their stronghold in Idlib, a Syrian military source said on Monday.
Syrian government troops renewed the siege of rebel-held parts of Aleppo on Sunday, as Washington and Moscow failed to reach a deal on stemming violence in the country's devastating war.
Cluster bombs killed or injured more than 350 people in Syria and Yemen last year and evidence is growing that Russian forces are using the munitions in Syria, a report said on Thursday.
At least 15 civilians were killed in a barrel bomb attack on a rebel-held district of Syria's Aleppo city on Saturday, the Syrian Observatory for Human Rights monitor said.
Eleven children were killed on Thursday in a barrel bomb attack carried out by government forces on a rebel-held neighbourhood of Syria's Aleppo city, a monitor said.
As part of its 'Relieve Aleppo' campaign, Qatar Charity (QC) has been able to distribute 5,000 food baskets to 5,000 families in the besieged Syrian city.
The main umbrella group for the Syrian opposition on Friday cautiously welcomed a proposal for a weekly pause in fighting in Aleppo to allow aid to reach besieged areas, provided this would be monitored by the United Nations.
Russia said on Thursday it was ready to halt fire for 48-hour periods in Aleppo from next week, following UN calls to extend humanitarian pauses to deliver aid.
His face bloodied and completely covered in dust, the little boy sits quietly, staring ahead, dazed and shocked after an apparent air strike in the Syrian city of Aleppo.
