Fresh off the mayor’s defense of the city’s sanctuary policies and public safety record before a Congressional oversight committee, the Boston City Council held a community-based hearing where advocates pushed for expansion of the Trust Act.

Boston city councilors stood fast in their support of the city’s pro-immigrant Trust Act at a hearing Monday, defying President Donald Trump’s threats to crack down on so-called “sanctuary cities.”

Immigrants and advocates asked Boston City Councilors on Monday to preserve and strengthen the Trust Act, the law that limits police coordination with federal immigration authorities except for on criminal investigations.

The Boston City Council is set to audit the “implementation and effectiveness” of the Trust Act, a 2014 law that has led to Mayor Michelle Wu facing potential criminal prosecution due to the

She stood up for the city and refused to cower in the face of threats and smears,” one of more than 480 respondents said.

A city council committee meeting scheduled for Monday is set center around Boston’s Trust Act — a policy that has been in the national spotlight amid Republican-led criticism of so-called sanctuary cities.