U.S. Marines will join National Guard troops on the streets of Los Angeles within two days, officials said on Wednesday, and would be authorized to detain anyone who interferes with immigration officers on raids or protesters who confront federal agents.

Police and elected officials say the troops and Marines sent by the Trump administration are not properly trained to interact with civilians. A judge will decide whether to limit their duties.

Posts on social media suggest Marines are refusing to enter Los Angeles during protests and rioting, but there is no evidence to suggest that is the case. Protests in L.A. against immigration enforcement began on Friday and are continuing,