President Trump offered security guarantees to deter future Russian aggression.

European leaders said Sunday that they will join President Volodymyr Zelensky of Ukraine on Monday when he meets with President Trump at the White House, as they strive to present a united front agai...

European Commission President Ursula von der Leyen has announced she will join Ukrainian President Volodymyr Zelensky at a key meeting with Donald Trump at the White House.

The grouped trip underscored European leaders’ determination to ensure that Europe has a voice in Trump’s attempted peace-making, after the U.S. president’s summit on Friday with Russian leader Vladim...