Syria has revealed a previously undeclared research and development facility and a laboratory to produce the poison ricin to the global chemical weapons watchdog, diplomatic sources told Reuters.

Syria has detailed three new facilities to the Organisation for the Prohibition of Chemical Weapons (OPCW) as part of an ongoing review of the state’s toxic arsenal, three sources said.

The disclosures appeared to support assertions from Western governments in recent months that the regime of President Bashar al-Assad had not been fully transparent to the world body in detailing its chemical weapons program. […]