Helmeted police in riot gear turned out on Friday evening in a tense confrontation with protesters in downtown Los Angeles, after a day of federal immigration raids in which dozens of people across the city were reported to be taken into custody.

After a day of contention and little information about the nature of an immigration enforcement operation in Los Angeles, the Department of Homeland Security has finally released details about the joint operation conducted Friday morning.

Approximately 44 people” were administratively arrested ​​and one person was arrested on an obstruction charge, Homeland Security Investigations said.