New York City Mayor Zohran Mamdani threatens to take legal action against ICE, alleging the agency is using city-owned property to conduct immigration enforcement operations without authorization. In statements and a letter referenced by outlets, Mamdani says ICE is flouting directives and laws and that the agency’s actions create safety concerns and fear among residents.

The reporting frames the dispute as part of a broader escalation between city officials and federal immigration enforcement. Bloomberg links the demand to a recent incident in which an ICE agent shot a Dominican man last month, positioning the property-use fight within a heightened public backlash. The Guardian focuses on Mamdani’s specific effort to prevent ICE from using city facilities, including parking lots.

Across coverage, the central points are that Mamdani is pushing ICE to stop using municipal property and that he is prepared to pursue legal remedies; the differences are mainly in emphasis (legal threat versus enforcement context) and in how specific the cited property and alleged risks are.