Kentucky Rep. James Comer, the Republican who chairs the House Oversight Committee, confronted four Democratic sanctuary city mayors on Wednesday over their refusal to fully cooperate with Immigration and Customs Enforcement.

Boston Mayor Michelle Wu testified before a House committee on so-called "sanctuary cities" in Washington Wednesday.

Rep. Paul Gosar clashed over immigration with big city Democratic mayors in a congressional hearing, going as far as to quiz them on Arizona’s controversial Senate Bill 1070 law. The House Committee on Oversight and Government Reform hearing,

Republicans put Democrats in the hot seat as they continue to try and win the messaging wars on immigration policy.

She stood up for the city and refused to cower in the face of threats and smears,” one of more than 1,700 respondents said. The post Mayor Michelle Wu represented Boston well at the ‘sanctuary cities’ congressional hearing,

Fla., said she is referring the Democrat sanctuary city mayors who testified before Congress to the Justice Department for criminal prosecution.

Eric Adams of New York, Mike Johnston of Denver, Brandon Johnson of Chicago, and Michelle Wu of Boston are appearing Wednesday before the House Oversight Committee to defend their "sanctuary city" policies preventing local police forces from cooperating with federal authorities to deport illegal aliens.