Watch: Biden introduces Zelenskyy as ‘President Putin’ at Nato summit

US president says ‘Ladies and gentleman, President Putin’, before realising mistake and correcting himself

President Joe Biden, center, and Ukraine's President Volodymyr Zelenskyy, shake hands during an event on the Ukraine Compact at the NATO Summit in Washington, Thursday, July 11, 2024. Picture: AP Photo/Matt Rourke

Joe Biden has accidentally introduced the Ukrainian president, Volodymyr Zelenskyy, as “President Putin” in a gaffe that will fuel further concerns about his mental acuity that have threatened to scuttle his presidential campaign.

Biden made the mistake while flanked by Nato leaders during a signing ceremony alongside Zelenskiy on the final day of the Nato summit in Washington.