Republicans accused the mayors of New York, Chicago, Denver and Boston of providing sanctuary to criminals, while Democrats pointed to falling crime rates and defended helping the needy.

If you want to make us safe, pass gun reforms, stop cutting Medicaid, stop cutting cancer research, stop cutting funds for veterans. That is what will make our city safe.”

Democratic mayors of four major cities testified before the House Oversight Committee over their cities' policies limiting cooperation with immigration enforcement under the Trump administration.

Boston Mayor Michelle Wu said Tuesday she would "never back down from an opportunity to defend" the city, as she prepared to do just that before Congress on Wednesday.

The Democratic mayors of Boston, Chicago, Denver and New York City defended their cities’ policies amid a Republican-led Congressional investigation.

"Migrants did not bring a wave of crime to Denver." Mayors of several large cities defended their policies in front of the House Oversight Committee.

At a congressional hearing, House Republicans accused the mayors of New York, Denver, Chicago and Boston of providing sanctuary to criminals and not fully cooperating with federal immigration efforts.

The mayors of four so-called “sanctuary cities” faced tough questions from lawmakers about their policies toward immigrants and how they work with Immigration and Customs Enforcement at a House Oversight and Government Reform Committee on Wednesday.