- Russian spy: Russia ‘has no information’ on Sergei Skripal collapseBBC News
- Russia says it knows nothing about ex-spy Sergei Skripal’s collapseUSA TODAY
- A Former Russian Spy Is Critically Ill In The UK After Being Exposed To An Unknown SubstanceBuzzFeed News
- Critically ill man is former Russian spyBBC News
- Kremlin says it has no information about mystery illness of former spyThe Guardian