WASHINGTON, D.C. — President Trump is hosting Ukraine President Volodymyr Zelenskyy at the White House on Monday. But he won't be alone.

Joining him will be several key European leaders, including European Commission President Ursula Von der Leyen, French President Emmanuel Macron and the NATO secretary general, Mark Rutte, in what is being seen as a united front to prevent Trump from pressuring Zelenskyy into an unfair agreement to end the war with Russia.

"We continue our cooperation to achieve a just peace that respects Ukraine & Europe's vital security interests," von der Leyen wrote in a statement via Twitter on Sunday.

There are big issues that Europe wants to ensure they have a voice on — especially after Zelenskyy was not invited to last week's summit in Alaska with Russian

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