Multiple people were detained by U.S. Immigration and Customs Enforcement agents in downtown San Francisco on Tuesday morning, merely 12 hours after thousands of protesters took to the streets in the Mission to rally against the widespread raids taking place across California.

Protesters outside the San Francisco ICE headquarters were in a long standoff with dozens of riot police. Officers then rushed the crowd.

San Francisco officials are ramping up safety protocols a day after violence erupted outside an Immigration and Customs Enforcement field office in downtown. State of play: About 400 people rallied Sunday evening in solidarity with protests in Los Angeles against immigration raids and the arrest of labor leader David Huerta