President Donald Trump has authorized the deployment of an additional 2,000 National Guard members to help respond to protests in Los Angeles over immigration raids.

Trump's escalation of immigration arrests by shifting into workplaces ignited clashes between protesters and officers in the immigrant-heavy city.

According to experts, Trump is the first President to deploy the National Guard without a request from the state Governor since 1965, when President Lyndon B. Johnson sent federal troops to Alabama to protect those partaking in a civil rights march from Selma to Montgomery, led by Martin Luther King Jr.

The Guard’s arrival marks a potentially volatile phase in Trump’s push to ramp up deportations and in his contentious relationship with state and local authorities.