Four detainees broke through a wall and managed to escape from a federal immigration detention center in Newark, New Jersey, amid reports of disorder breaking out there, according to Sen. Andy Kim and the Department of Homeland Security.

Protesters outside a New Jersey federal immigration detention center locked arms and pushed against barricades as vehicles passed through gates and Newark’s mayor cited reports of a possible uprising and escape as disorder broke out at the facility.

Several detainees at an immigration detention center in New Jersey escaped Thursday following an incident, the Department of Homeland Security