President-elect Donald Trump’s “border czar” claimed Monday that he will throw the mayor of Denver, Colorado in prison if his city resists Trump’s efforts to deport millions of immigrants from the United States.

Mayor Mike Johnston’s pointed comments last week about Denverites resisting a federal mass-deportation effort have generated blowback in Colorado and across the country. He has walked back

Paul warned the mayor that his resistance could be taken to the Supreme Court, where he could potentially be removed from office.

Sen. Rand Paul suggested that Denver Mayor Mike Johnston's pledge to resist Donald Trump's effort to deport illegal immigrants would be "a form of insurrection," during an interview Sunday on CBS's "Face The Nation.

Dallas Mayor Eric Johnson says the city will "stand by" President-elect Trump with his deportation plans for violent criminals who are in the country illegally.

Mayor Mike Johnston’s pointed comments last week about Denverites resisting a federal mass-deportation effort — including a suggestion that he would mobilize the Denver police department to face off with federal and National Guard troops — have generated blowback in Colorado and across the country.

Allies of President-elect Trump are taking aim at Denver Mayor Mike Johnston over his pledge to protect undocumented immigrants from possible mass deportations under the incoming administration. Why it matters: Colorado already had a target on its back in the wake of exaggerated claims of Venezuelan gang activity in Aurora — where Trump has vowed to start his deportations — and Johnston's recent defiance may make that bull's-eye even