The French president convenes a second summit of leaders amid cracks among allies. Four years before the war in Ukraine and during Donald Trump's first term, Emmanuel Macron openly challenged the creation of "a true European army" to defend the continent without relying on the United States.

French President Emmanuel Macron will host European leaders, including Britain's prime minister on Monday for an emergency summit on the Ukraine war after U.S. officials suggested Europe would have no role in any talks on ending the conflict.