A leader of one of the biggest unions in California was arrested amid protests against federal immigration raids in the Los Angeles area.

According to local media, federal agents were shooting flash-bang grenades into the crowd and shutting part of a freeway amid raids on undocumented migrants, in the suburb of Paramount, California. Crowd was ordered to disperse in the afternoon.

Tear gas and flash bangs were deployed to disperse crowds protesting immigration raids in downtown Los Angeles after dozens of people were arrested by federal immigration agents Friday, including a prominent union leader.