PHILADELPHIA, PENNSYLVANIA - MARCH 11: U.S. President Joe Biden addresses the 2022 House Democratic Caucus Issues Conference March 11, 2022 in Philadelphia, Pennsylvania. President Biden will tour an elementary school in Philadelphia to mark the one-year anniversary of the American Rescue Plan. (Photo by Alex Wong/Getty Images)

White House officials are having early discussions about having President Joe Biden travel to Europe soon amid the ongoing Russian invasion of Ukraine, according to multiple sources familiar with the planning.

The trip would come on the heels of visits by several top aides, including Vice President Kamala Harris and Secretary of State Antony Blinken. The White House is exploring a potential stop in Poland as well as other places in Europe, according to a person familiar with the planning.

No trip has been finalized or announced. If the trip does happen, it would be the one of the most closely watched visits to Europe by an American President in decades. NBC News was first to report on the discussions of the possible trip.

Russia expanded its offensive to western Ukraine on Sunday, firing missiles near the city of Lviv and hitting a large military base close to the Polish border and reportedly killing dozens of people. Poland is a NATO ally, and the military base has held joint drills with NATO and Western military personnel.

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