WASHINGTON (Reuters) – U.S. Senate Democratic leader Chuck Schumer on Monday introduced a bill that would prevent any foreign aircraft from being used as Air Force One, the aircraft that transports the U.S. president.

Schumer introduced the “Presidential Airlift Security Act” after news last week that President Donald Trump planned to accept a $400 million airplane from Qatar, which legal experts said raised a raft of questions about the scope of laws that relate to gifts from foreign governments and are intended to thwart corruption and improper influence.

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(Reporting by Richard Cowan and Patricia Zengerle, Editing by Franklin Paul)