Putin had nemesis Alexei Navalny killed with dart frog toxin, Britain reveals

Russian opposition leader Alexei Navalny shows a heart symbol while standing in a defendants’ cage during a hearing in the Moscow City Court (Picture: AP)

Vladimir Putin’s ‘number one enemy’ Alexei Navalny was killed with a poison developed from a dart frog toxin on the Kremlin’s orders, Britain and its allies have revealed.

The Russian opposition leader died at a Siberian penal colony in 2024 after accusing the president of corruption.

Two years on, the UK and its allies have...