The Trump administration is deploying 2,000 National Guard troops to California in response to immigration-related protests in Los Angeles, which have included clashes with authorities.
The White House accused state leaders of failing to maintain order. Defense officials said Marines may be deployed if violence escalates.
California Gov. Gavin Newsom condemned the move as inflammatory and unnecessary, stating local law enforcement has the situation under control.
Protests began in Paramount amid reports of an immigration raid, which local officials said was only a staging operation.