WATCH: America’s first ‘formerly undocumented’ congressman delivers ultimatum at besieged ICE facility

The New York City lawmaker who describes himself as the first "formerly undocumented immigrant" member of Congress was defiant this week when he arrived at Newark’s Delaney Hall detention center waving a court order and demanding entry.

Rep. Adriano Espaillat, a Washington Heights Democrat, was one of three Manhattan lawmakers who converged on the center Wednesday to demand the Trump administration shut it down and, in the interim, treat those held inside more humanely.

"Shut it down," Espaillat boomed...