- Russia accused of killing Navalny with dart frog toxin. What we know about the rare poison Axios
- Navalny’s mother says she always knew he was murdered after poison finding BBC
- Was Navalny poisoning by frog toxin meant to send a message? The Guardian
- Russian opposition figure Navalny killed by toxin found in poison dart frogs, Europeans say CNN
- Rubio says US does not dispute Navalny poisoning assessment by Europeans Reuters
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Russia accused of killing Navalny with dart frog toxin. What we know about the rare poison – Axios
