As the military presence ramped up in Los Angeles, communities are preparing for the largest protests against Trump since he took office.

The troops are authorized to detain people who pose a threat to federal personnel or property, but only until police can arrest them.

Marines are now on duty in Los Angeles for the first time. Tensions are escalating between President Donald Trump and California Gov. Gavin Newsom as protests against Immigration and Customs Enforcement continue to grip Los Angeles and spread to New York City,