Species such as the brightly coloured Anthony’s poison arrow frog and the Phantasmal poison frog secrete this substance onto their skin. Researchers theorise that the frogs acquire the toxin through ...

European allies' findings that Putin critic Alexei Navalny was killed with a rare toxin from poison dart frogs is "troubling, ...

Epibatidine, a dart frog toxin allegedly used to kill Alexei Navalny, is a substance 100 times more potent than morphine.

French Foreign Minister Jean-Noël Barrot said that Russian President Vladimir Putin is prepared to use biological weapons against his own people after claims emerged that Russian opposition leader ...

Five European countries claim a highly lethal epibatidine poison was used in the Russian opposition leader’s death, raising possible chemical-weapons treaty violations.

Epibatidine is about 100 times more potent than morphine, and derived from frogs native to South America ...

Alexei Navalny, the Russian opposition leader, was killed by dart frog poison administered by the Russian state two years ago, a multi-intelligence agency inquiry has found, according to a statement ...

Finding on death of Russian opposition leader in penal colony is made by France, Germany, UK, Sweden and Netherlands ...

Russian opposition leader Alexey Navalny was killed in prison using a rare dart frog toxin, five European countries said in a joint statement on .

Watch every match from the T20 World Cup live on Sky Sports, up to and including the final on Sunday March 8; Englands final Group C game is against Italy on Monday (from 9.30am UK time), where ...

Intelligence agencies say deadly toxin in skin of Ecuador dart frogs found in Navalny’s body and highly likely resulted in his death ...

UK and partners are today exposing the tragic circumstances surrounding Alexei Navalny's death and have confirmed there was poison found in samples ...