Britain's Prime Minister Keir Starmer, right, welcomes Ukrainian President Volodymyr Zelenskyy to the European leaders' summit to discuss Ukraine, at Lancaster House, London, Sunday March 2, 2025. (Toby Melville/Pool via AP)
Ukrainian supporters demonstrate outside Lancaster House where Britain's Prime Minister Keir Starmer is holding a Ukraine Summit with leaders from Europe and Canada in London, Sunday, March 2, 2025. (AP Photo/Alberto Pezzali)
Britain's Prime Minister Keir Starmer, center, hosts the European leaders' summit to discuss Ukraine, at Lancaster House, London, Sunday March 2, 2025. From left, European Commission President Ursula von der Leyen, Finland's President Alexander Stubb, France's President Emmanuel Macron, Britain's Prime Minister Keir Starmer, Ukraine's President Volodymyr Zelenskyy, Romania's Interim President Ilie Bolojan, European Council President Antonio Costa and Canada's Prime Minister Justin Trudeau. (Justin Tallis/Pool via AP)
Britain's Prime Minister Keir Starmer, right, welcomes Ukrainian President Volodymyr Zelenskyy to the European leaders' summit to discuss Ukraine, at Lancaster House, London, Sunday March 2, 2025. (Toby Melville/Pool via AP)
Ukraine's President Volodymyr Zelenskyy, right, listens to Britain's Prime Minister Keir Starmer as he speaks during a summit on Ukraine at Lancaster House in London, Sunday, March 2, 2025. (AP Photo/Christophe Ena, Pool)
Britain's Prime Minister Keir Starmer, center, Ukraine's President Volodymyr Zelenskyy, left, and France's President Emmanuel Macron meet during the European leaders' summit to discuss Ukraine, hosted by Britain's Prime Minister Keir Starmer, at Lancaster House, London, Sunday March 2, 2025. (Justin Tallis/Pool via AP)
Britain's Prime Minister Keir Starmer, right, welcomes Ukrainian President Volodymyr Zelenskyy to the European leaders' summit to discuss Ukraine, at Lancaster House, London, Sunday March 2, 2025. (Toby Melville/Pool via AP)
Ukrainian supporters demonstrate outside Lancaster House where Britain's Prime Minister Keir Starmer is holding a Ukraine Summit with leaders from Europe and Canada in London, Sunday, March 2, 2025. (AP Photo/Alberto Pezzali)
AG
Britain's Prime Minister Keir Starmer, center, hosts the European leaders' summit to discuss Ukraine, at Lancaster House, London, Sunday March 2, 2025. From left, European Commission President Ursula von der Leyen, Finland's President Alexander Stubb, France's President Emmanuel Macron, Britain's Prime Minister Keir Starmer, Ukraine's President Volodymyr Zelenskyy, Romania's Interim President Ilie Bolojan, European Council President Antonio Costa and Canada's Prime Minister Justin Trudeau. (Justin Tallis/Pool via AP)
Britain's Prime Minister Keir Starmer, right, welcomes Ukrainian President Volodymyr Zelenskyy to the European leaders' summit to discuss Ukraine, at Lancaster House, London, Sunday March 2, 2025. (Toby Melville/Pool via AP)
Ukraine's President Volodymyr Zelenskyy, right, listens to Britain's Prime Minister Keir Starmer as he speaks during a summit on Ukraine at Lancaster House in London, Sunday, March 2, 2025. (AP Photo/Christophe Ena, Pool)
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Britain's Prime Minister Keir Starmer, center, Ukraine's President Volodymyr Zelenskyy, left, and France's President Emmanuel Macron meet during the European leaders' summit to discuss Ukraine, hosted by Britain's Prime Minister Keir Starmer, at Lancaster House, London, Sunday March 2, 2025. (Justin Tallis/Pool via AP)