Volodymyr Zelenskyy
"Do you think that's a sane person?" Volodymyr Zelenskyy asked.
Moscow will now be forced to respond, apparently.
"Only through strength can we together force Russia and its allies to give up terror and achieve a just peace".
The Ukrainian president also claimed his Russian counterpart is "addicted to war".
The president-elect ominously added: "I know Vladimir well. This is his time to act."
"If it continues like this, we will lose."
UK intelligence say Putin's forces are attacking "behind established Ukrainian defences".
"We were encouraging Ukraine to fight on without giving them the means to fight."
The Ukrainian president has thanks Keir Starmer for Britain's "unwavering support" since Russia's invasion.
President-elect Donald Trump's son was ripped as "vile."