Russian opposition leader Alexei Navalny died in prison in Russia after being poisoned with a deadly toxin found in the skin of Ecuadorian dart frogs, the UK and other allies have revealed.

The Kremlin has denied using a dart frog toxin to kill Russian opposition leader Alexei Navalny in 2024. But Britain and four European allies say they have evidence that points to the use of the ...

Vladimir Putin’s Kremlin "has had possession" of the deadly frog toxin that was found in the body of Russian opposition ...

The Russian state has long been accused of using exotic poisons to murder its opponents - whether the nerve agent Novichok or ...

Russian opposition leader Alexei Navalny was fatally poisoned with a toxin from Ecuadorian dart frogs that is 200 times ...

Sky News's Tom Cheshire asked a toxicology expert whether Alexei Navalny could have been killed by the toxin of a poisonous frog.

It is no coincidence that the UK and its allies chose a security conference in Munich to accuse the Kremlin of killing ...

Two years on from the death of Navalny at a Siberian penal colony, Britain and its allies have blamed the Kremlin following ...

The foreign secretary's comments come after the Russian embassy in the UK accused Western politicians of "necro-propaganda" that is "truly shocking".

An Ecuadorian dart frog's poison is 200 times stronger than morphine.

The claim was unveiled at the Munich Security Conference, where Navalny's death was announced two years ago.