In May 2018, Great Britain transmitted an unusual request to the Organization for the Prohibition of Chemical Weapons (OPCW).
Notes on verification
Corroborated by OPCW official documents and UK government press release, consistent with the UK's request following the Skripal poisoning; however, the phrase 'unusual request' is vague and not explicitly quantified in sources. [tier=silver indep_score=0.925 clusters=2 claim_tier=notable]
Sources
- Confrontation at the OPCW: How Will the International Community ... (seed:military_and_intelligence)
- https://www.opcw.org/sites/default/files/documents/EC/M-60/en/ecm6001_e_.pdf (corroboration)
- https://www.opcw.org/news/article/opcw-to-convene-special-session-of-conference-of-the-states-parties/ (corroboration)
- https://www.gov.uk/government/news/foreign-secretary-calls-for-international-action-on-chemical-weapons (corroboration)