- ‘Highly likely’ that rare poison killed Putin nemesis Navalny, Europeans say The Washington Post
- Joint Statement by the UK, Sweden, France, Germany and The Netherlands on Alexei Navalny’s death GOV.UK
- Russia killed opposition leader Alexei Navalny using dart frog toxin, UK says BBC
- Navalny Was Poisoned With Frog Toxin, European Governments Say The New York Times
- Russian opposition figure Navalny killed by toxin found in poison dart frogs, Europeans say CNN
