European leaders including Germany's Chancellor Friedrich Merz, France's President Emmanuel Macron, and UK Prime Minister Keir Starmer are set to chair a virtual meeting of Ukraine's coalition of volunteer allies on Sunday, August 17. This online summit will bring together countries supporting Ukraine ahead of Ukrainian President Volodymyr Zelenskiy's scheduled visit to Washington on Monday, August 18. Zelenskiy's trip follows a summit held on Friday, August 15, in Alaska between US President Donald Trump and Russian President Vladimir Putin. The coalition meeting aims to coordinate support for Ukraine in the context of ongoing conflict and diplomatic engagements involving the US and Russia.