Repeating recurring pro-Kremlin disinformation about chemical weapons use in Syria, the White Helmets, and Sergei Skripal poisoning.  euvsdisinfo.eu/disinformation-cases/?text=syria+chemical+weapons&disinfo_issue=&date=, https://euvsdisinfo.eu/disinformation-cases/?text=white+helmets&disinfo_issue=&date=, , euvsdisinfo.eu/disinformation-cases/?text=sergei+skripal&disinfo_issue=&date=,

For background on the disinformation spread about White Helmets, see medium.com/dfrlab/syriahoax-part-two-kremlin-targets-white-helmets-c6ab692d4a21,

On Saturday, a high number of civilians were killed in the besieged Syrian city of Douma, with evidence pointing towards another chemical attack by the regime, according to the EU.

See also Bellingcat's open source survey on the suspected chemical attack: www.bellingcat.com/news/mena/2018/04/11/open-source-survey-alleged-chemical-attacks-douma-7th-april-2018/,

On April 10 Russia vetoed a U.S.-drafted U.N. Security Council resolution that would have created a new inquiry to ascertain blame for chemical weapons attacks in Syria.

Joint Investigative Mechanism found Syria’s Government responsible for last year’s attack in Khan Shaykhun.

In September 2017, the UN Commission of Inquiry on the Syrian Arab Republic summarized 33 separate incidents where it had found use of chemical weapons. Since then there have been several additional suspected chemical attacks. Between March 2013 and March 2017, the Commission documented 25 incidents of chemical weapons use in the Syrian Arab Republic, of which 20 were perpetrated by government forces and used primarily against civilians. 

http://www.ohchr.org/EN/HRBodies/HRC/IICISyria/Pages/IndependentInternationalCommission.aspx