Four detainees escaped when tensions boiled over at the U.S. Immigration and Customs Enforcement facility known as Delaney Hall on Thursday in Newark, the Department of Homeland Security confirms. ICE told lawmakers they got out through a hole in a wall.

Conditions had been disintegrating for days inside a massive immigration detention center in an industrial corner of Newark.

Four detainees at an ICE detention center in Newark, N.J., have escaped, according to the Department of Homeland Security.