The hastily called gathering was part of a flurry of diplomacy expected to center on Ukraine this week as Trump officials prepare to start talks with Russia on their own.

European leaders met on Monday for emergency talks in Paris called by French President Emmanuel Macron to agree a coordinated response to a shock policy shift on the war in Ukraine by the new U.S. administration of Donald Trump.

The “main European countries” will discuss the continent’s security, French Foreign Minister Jean-Noël Barrot said.