The newspaper concluded it was chlorine and it could only could have been dropped by regime planes.

New York Times find 'Syrian government dropped a chlorine bomb' in Douma

Russia is holding a briefing at the OPCW with Syrians from Douma, who, they promise, will say they were not victims of a chemical attack.

UK will not attend Russia and Syria's 'stunt' Douma briefing

The Russian ambassador in The Hague told ITV News that “Russia never lies” as he set out plan to prove the attack in Douma was staged.

Russia says it has healthy people who are 'perfectly identifiable' in a video purporting to show dying people in a chemical attack.

ITV News correspondent Dan Rivers was taken, by regime minders, to the hospital where those who were affected by the attack were treated.

The OPCW has returned from the site of the suspected chemical attack in Douma and should have results in about a week.

Russia has also announced it will deploy its own troops to Douma, as tensions escalate with US and allies over a suspected chemical attack.