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.

Witness video and chopper video taken at the scene in downtown LA, shows both FBI and HSI agents responding as at least two people were detained outside Ambiance Apparel on Towne Avenue.

Federal authorities conducted an immigration enforcement operation in downtown Los Angeles, detaining dozens of people, including potentially undocumented immigrants, while protesters clashed with federal agents.