Russia has stepped up its threats to the West in response. On Tuesday, the 1,000th day of his invasion of Ukraine, Putin signed a revised nuclear doctrine declaring that a conventional attack on Russia by any nation that is supported by a nuclear power will be considered a joint attack on his country.

Recent events show that there is a real risk of a global conflict breaking out, Polish Prime Minister Donald Tusk said on Friday, after Russia fired a hypersonic intermediate-range ballistic missile at a Ukrainian city.

Polish Prime Minister Donald Tusk warned Friday that there is a "serious and real" threat of global war after this week's major escalation in the conflict in Ukraine.

The war in Ukraine has reached a "decisive phase," and the latest events demonstrate the real threat of a "global conflict," Polish Prime Minister Donald Tusk said on Nov. 22. Tusk's comments came in the wake of Russia's attack on Dnipro a day earlier,

The risk of a global conflict is real following Russia's launch of a hypersonic ballistic missile targeting Dnipro, Polish Prime Minister Donald Tusk says, according to Reuters. "The war in the east is entering a decisive phase,