The Trump administration launched an Immigration and Customs Enforcement (ICE) crackdown on Chicago Monday, which the city's mayor, Brandon Johnson, said he'd "received no notice" of.

The big picture: The launch of "Operation Midway Blitz" follows weeks of threats from President Trump to tackle crime in Chicago and other Democrat-run cities by expanding ICE's presence and possibly deploying National Guard troops as part of his agenda against undocumented immigrants despite opposition from Democratic leaders. • Despite Trump's threats, Illinois Gov. JB Pritzker (D) and Chicago Mayor Brandon Johnson (D) have doubled down on the state and city's sanctuary city policies, which provide protections to undocumented people by barring local police from assisting federal law enforcement activity

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