Federal immigration authorities carried out enforcement activities at several locations in Los Angeles on Friday, with some clashes breaking out as crowds gathered outside a warehouse and other locations across the city to protest the activity.

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

A local immigrant rights organization said more than 45 people were detained in the operations, which were described as “random sweeps.”