By Brad Brooks, Phil Stewart, Idrees Ali and Dietrich KnauthLOS ANGELES (Reuters) -Several U.S. cities braced for protests on Wednesday against President Donald Trump's sweeping immigration raids, as parts of the country's second largest city Los Angeles spent the night under curfew in an effort to quell five days of unrest.

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.

Friday's immigration operations which took place across Los Angeles, primarily in the Westlake District, downtown, and South L.A., led to protests over the weekend, resulting in 42 arrests. Those arrested are facing charges ranging from assault on an officer,