The legislators were with Mayor Ras Baraka when he was arrested Friday outside an immigration detention facility. A Department of Homeland Security spokeswoman said they could face assault charges.

Newark Mayor Ras Baraka (D) speaks to protesters Wednesday outside Delaney Hall, a recently reopened immigration detention center in Newark. Newark Mayor Ras Baraka (D) was arrested by federal officials Friday during a protest at a newly opened immigration detention facility in his city, officials said.

Mayor Baraka’s arrest at Delaney Hall highlights the growing conflict over immigration enforcement and its chilling effect on immigrant communities.