Newark Mayor Ras Baraka says some Newark officers may have been 'over aggressive' in Delaney response and police shouldn't have been there in the first place.

A Newark Police Department squad car rolls by anti-ICE demonstrations at Delaney Hall in Newark, New Jersey. DHS Secretary Markwayne Mullin has criticized NJ Gov. Mikie Sherrill for not allowing

The mayor, Ras Baraka, said the city would not spend taxpayer money to safeguard Delaney Hall, an immigration detention center in Newark run by a private prison company.

Newark Mayor Baraka calls state police "a sword" after clashes outside Delaney Hall, saying he disagrees with the tactics used by law enforcement.

Newark Mayor Ras Baraka announced that, going forward, Newark Police Department would exercise "a greater span of control of the Delaney Hall area."

Newark police are now leading public safety operations outside the Delaney Hall immigration detention center after weeks of protests at the facility. In a statement Monday afternoon, New Jersey Attorney General Jennifer Davenport said the area around Delaney Hall "remains calm" and thanked protesters who have complied with Newark's new overnight curfew.

Tensions escalated outside Newark's Delaney Hall immigrant detention center as protesters took over traffic control and ICE agents used pepper spray.

Last week, Secretary Markwayne Mullin threatened to pull DHS officers from the airport to support ICE agents at Delaney Hall in Newark.

Tensions rose once again outside Delaney Hall on Saturday after Newark's mayor scaled back local law enforcement. CBS News New York's Christina Fan reports.