Boston Mayor Michelle Wu expressed confidence heading into a Congressional oversight committee hearing on sanctuary city policies that she says has been portrayed as a “showdown” by the Republican-led House panel.

Republican congressman James Comer says so-called sanctuary city policies are a nightmare that make American cities more dangerous, as he opens a congressional hearing with Democratic mayors from four

The committee has invited the mayors of Boston, Chicago, Denver and New York City, all Democrats, to explain and defend the laws during a televised hearing at 10 a.m. Some mayors have defended the laws as making all their residents safer.

The Mayors of Boston, Chicago, Denver and New York City are testifying in front of the House Oversight Committee during a blockbuster hearing on sanctuary cities

The four mayors will testify before a largely hostile House committee that has labeled their cities’ protection of migrants “misguided and obstructionist.”