Many industries have become dependent on immigrant labor. Some workplace raids have been met with protest.

Federal immigration authorities carried out enforcement activities in Los Angeles on Friday.

As federal agents carried out more workplace raids, they squared off with protesters, using what appeared to be tear gas and flash-bang grenades.

Border patrol personnel in riot gear and gas masks descend on an industrial park in Paramount

Many industries have become dependent on immigrant labor. Some workplace raids have been met with protest.