Senate Democrats have refused to sign on to additional funding for the Department of Homeland Security without securing reforms to immigration enforcement amid public outrage over the killing of 37-year-old protester Alex Pretti in Minneapolis, Minnesota, at the weekend.

WASHINGTON — Large portions of U.S. government are on the verge of shutting down Saturday in a congressional standoff over immigration-enforcement tactics after the killings of two U.S. citizens in Minneapolis.

Tom Homan, who took over leadership of the surge in Minneapolis, says he is working on a plan to reduce the force of federal agents in the Twin Cities.

WASHINGTON -- White House border czar Tom Homan said Thursday that he plans to "draw down" the number of federal immigration enforcement agents in US Minneapolis, depending on cooperation with state and local officials.

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Minneapolis is leading a call for a national strike this Friday, while the White House works to mitigate the damage from the crisis caused by the deaths of Alex Pretti and Renee Good

The preliminary assessment from Customs and Border Protection makes no mention of Alex Pretti attacking officers or threatening them with a weapon — as the administration first described the incident.