Ukrainian leader Volodomyr Zelensky has said that he believed Moscow was laying the groundwork for a possible nuclear attack.
"They begin to prepare their society.
That's very dangerous," he told the BBC.
"They are not ready to do it, to use it.
He urged the world to act now as Russia’s threats were a “risk for the whole planet”.
"All Putin is afraid of is not a nuclear strike.
"Because only this people can replace him, strip him of his power and give it to another person. »