The international community should immediately investigate accusations that the Islamic Republic attacked demonstrators with ...

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 ...

Russia has formally rejected allegations by five European countries that opposition leader Alexey Navalny was fatally ...

First it was a nerve agent allegedly applied in his underwear. Then it was a poison found naturally on the skin of South American rainforest frogs. Russian opposition leader Alexei Navalny barely ...

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

Russia regularly shares relevant data with the Organization for the Prohibition of Chemical Weapons, the UN Security Council and General Assembly, director of the Russian foreign ministry’s internatio ...

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

Five European countries claim a highly lethal epibatidine poison was used in the Russian opposition leader’s death, raising ...

On February 14, the U.K., Germany, the Netherlands, France, and Sweden announced that Alexey Navalny had been poisoned in a Russian prison with a lethal toxin — epibatidine. The governments said the ...

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

Species such as the brightly coloured Anthony’s poison arrow frog and the Phantasmal poison frog secrete this substance onto ...