European Union leaders are holding emergency summit talks to beef up their own military defenses and make sure Ukraine will still be properly protected as Europe faces the prospect of the U.S. cutting it adrift.

Leaders from all 27 European Union nations, plus Ukrainian President Volodymyr Zelensky, descended on Brussels for an emergency summit on how best to support beleaguered Ukraine and ramp up the continent's defense.

European Union leaders are expected to discuss rapidly increasing defense budgets. There's new urgency after President Trump paused military supplies and intelligence sharing with Ukraine.