In a letter responding to Bondi's threats to withhold federal funding from alleged "sanctuary" locations, Wu said Boston law enforcement routinely cooperates with federal authorities on criminal matters.

Mayor Michelle Wu responded Tuesday to an ultimatum from the federal government over sanctuary city policies, saying Boston "will not back down."The U.S. Department of Justice sent letters to several so-called "sanctuary" jurisdictions on August 13,

Wu blasted a letter from US Attorney General Pam Bondi renewing the Trump administration’s demand that Boston end policies the president views as impeding federal immigration enforcement efforts.