Foreign Secretary Yvette Cooper has hit out at Russia over its alleged assassination of opposition leader Alexei Navalny using the same poison found in the Ecuadorian dart frog. Speaking to Trevor Phillips, she said the poison could be synthesised in a laboratory - and the UK had evidence Russia had done that. "Only the Russian regime had the motive, the means and the opportunity" to kill the Russian opposition leader, she said. Ms Cooper went on to discuss the UK's relationship with Russia,