Evil Putin has only “3 years to live” as the critically ill despot has “the rapidly progressing cancer”.

World War III will DEFINITELY begin if Russia’s invasion is not crushed, a senior Ukrainian official has warned

Ukraine must win the conflict against Russia or a third world war could ensue, a Ukrainian negotiator warned.

Presidential adviser Mykhailo Podolyak warned that if Moscow does not lose, Russia’s “revanchism and chauvinism will only increase”.

He told Ukrainian television that defeat by the invaders would lead to a third world war, something western countries are aware of and will push them to supply more arms.

He said: “It’s very simple. If Russia does not lose, Russian chauvinism and revanchism will only swell, they will grow. And the war – the Third World War, which they [the Europeans] being so scared – will definitely happen,” explained Podoliak.

“Russia will hate us much more… They will want revenge on us.”

It comes as Boris Johnson today called for sending long-range advanced weapons to Ukraine – and stressed that Russian President Vladimir Putin’s troops are making “tangible progress” in the Donbass region.

He said it was “vital” to equip Ukraine with long-range missile launchers as Russian forces slowly “chew through ground” in the east.

The prime minister also warned of the dangers of negotiations with Russia’s “crocodile” tyrant, but said Mr Putin must accept that his so-called “denazification” of Ukraine was complete so that he could “retire with dignity and honor”.

“I fear that Putin will continue to chew on the Donbass at great cost to himself and the Russian military, he continues to make gradual, slow but noticeable progress I fear,” Johnson told Bloomberg. And that is why it is absolutely necessary that we continue to support the Ukrainians militarily.”