European leaders who make up the 'coalition of the willing' are set to hold a conference call on Sunday - ahead of crunch talks between Donald Trump and Ukraine's Volodymyr Zelenskyy next week.
The coalition - co-chaired by Sir Keir Starmer , France's President Emmanuel Macron and Germany's Chancellor Friedrich Merz - has the aim of bringing countries together to protect a peace deal in Ukraine .
Top of the agenda at Sunday's meeting will be securing a concrete commitment from Mr Trump on a security guarantee that would act as a powerful backstop in any Russia-Ukraine peacekeeping arrangement.
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European leaders seemed buoyed by the US president's most recent hints on the subject, in the knowledge that US military might is likely