In a national address, Russian President Vladimir Putin has threatened to use nuclear weapons if NATO countries were to join a ground offensive in Ukraine.
The suggestion of NATO forces was made by France's President Emmanuel Macron but quickly dismissed by the US, Britain, and Germany.
However, it comes amid calls to show more strength against the Kremlin from Baltic leaders, as Russian troops ramp up military operations along land and sea borders in the region.
Estonia, Latvia and Lithuania are now bolstering their civilian armies and have urged other NATO countries, including the UK, to do the same.
Today on the Daily, Anna Jones speaks to Sky's international affairs editor Dominic Waghorn to unpack what Mr Putin said in his latest speech.
She also speaks to security and defence editor Deborah Haynes about how Russia's neighbours are readying themselves for battle.
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