The protesters jeered Vance, Defense Secretary Pete Hegseth and White House deputy chief of staff Stephen Miller as they visited Union Station, blocks from the U.S. Capitol, to thank the troops at a Shake Shack where they bought lunch for the guard members.

Six Republican-led states are sending hundreds of National Guard troops to Washington, D.C., to support President Donald Trump's "crime crackdown," even though some of those states have cities with crime rates higher than the nation's capital,