Community groups are describing it as the latest chapter in a fight that has stretched more than a decade.
Demonstrators returned to Delaney Hall on Thursday, where several protesters were pepper sprayed and have since brought out black umbrellas to fight off any chemicals being sprayed in their direction.
Protesters are facing off against ICE agents outside Delaney Hall migrant detention center, where a hunger strike is underway.
Gov. Mikie Sherrill blasted ICE and called for accountability after she was turned away, but the head of DHS called it a political stunt.
Demonstrators say agents used pepper spray and batons during the scuffle at Delaney Hall in Newark early Monday morning.
All NYPD employees are banned from expressing their personal views about a political party or candidate while on duty.