However, the Syrian government has denied using chemical weapons
More than 3,00,000 people have been killed in Syria since the war started in 2011 with anti-government protests
Investigations reveal helicopters flying from two military bases dropped barrel bombs containing chlorine gas
Jobar is deemed as one of the most important rebel stronghold in the eastern countryside of Damascus
Warplanes carried out four airstrikes on Sunday on the rebel-held neighbourhoods of Qaterji, Sukkari and Bab al-Naser
Syrian Observatory for Human Rights said rebels captured Dabiq after IS members withdrew from the area
More than 300,000 people have been killed in Syria since the conflict began with anti-government protests in March 2011
French President Francois Hollande and German Chancellor Angela Merkel urged Putin to push for a ceasefire, despite repeated setbacks
On Sunday's vote, the draft resolution got four "yes" votes, nine "no" votes and two abstentions
Moscow, meanwhile, says the United States failed to separate "moderate" anti-Assad rebels from jihadists linked to Al-Qaeda
Ahmed Salama Mabrouk, an Egyptian also known by his nom de guerre Abu Faraj, had been killed in Idlib province in northwestern Syria
A hospital source in Hasakeh city told AFP there were more than 20 dead and dozens wounded
Diplomats were holding negotiations on the text on Monday and a vote at the council could take place this week
A medical source in rebel-held Aleppo said hospitals were struggling to deal with a huge number of casualties
Hospitals and rescuers have documented the deaths of 43 people so far
Nearly two million civilians were left without water in Aleppo due to regime bombardment and rebel forces
Announcement came just minutes after the United States and Russia convened a last-ditch meeting in New York to save their Syria ceasefire plan
Use of chlorine as a weapon is banned under the Chemical Weapons Convention, which Syria joined in 2013
At least 18 trucks in a 31-vehicle convoy were destroyed late Monday as they delivered humanitarian aid to civilians in the Aleppo region
Russian and Syrian planes yesterday, bombed an aid convoy that was en route to Aleppo to deliver food to 78,000 civilians