6:30 p.m.: More than 100 people gathered at the immigration services building and detention center in downtown Los Angeles to protest the raids. DHS officers fired pepper balls at the protesters before the Los Angeles Police Department dispersed the crowd.

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.

The curfew will begin at 8 p.m. local time on Tuesday and last until 6 a.m. local time on Wednesday and apply to a 1-sqaure-mile area in downtown.