Biden calls for Putin to face war crimes trial over civilian killings in Ukraine

Western leaders prepare fresh round of sanctions against Moscow amid outrage over reports of killings in town of Bucha, near Kyiv

Joe Biden has called for Vladimir Putin to be tried for war crimes as western leaders prepared a fresh round of economic sanctions against Moscow amid mounting global outrage over claims of civilian killings by Russian soldiers in Ukraine.

The US president was responding to harrowing images broadcast around the world after the discovery over the weekend of a mass grave and bodies in civilian clothes, some with their hands bound, in the town of Bucha, near Kyiv.