Joe Biden says the US will 'stand firm', Vladimir Putin ramps up nuclear concerns

Russian President Vladimir Putin delivers his annual address to the Federal Assembly.

Russian President Vladimir Putin delivers his annual address to the Federal Assembly. Source: AAP / Kommersant Photo Agency/Sipa USA

US President Joe Biden is in Warsaw, Poland two days before the commemoration of the first year of Russia's war on Ukraine. It comes as Russian President Vladimir Putin declares that Moscow is suspending its participation in the New START treaty - the last remaining nuclear arms control pact with the United States.


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