Los Angeles residents and experts say that the National Guard's presence in Los Angeles in response to immigration protests is reminiscent of a longstanding dynamic in the state and around the country.

Tensions are escalating in Los Angeles after protests against Immigration and Customs Enforcement gripped the city on Sunday, with demonstrators clashing with law enforcement and setting vehicles on fire downtown.

Here is what happened on each day the protests against immigration detention operations in the Los Angeles area.

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

A relative state of calm in Los Angeles began to crumble early Sunday afternoon as demonstrators confronted federal authorities guarding a downtown detention facility where chaos erupted as National Guard soldiers deployed tear gas on an increasingly agitated crowd.

As protests in Los Angeles entered its fourth day, the federal government escalated its tense standoff with California as it prepared to send in 700 marines.

President Trump issued a memo authorizing the National Guard to post up in Los Angeles, but California Gov. Gavin Newsom has called it "illegal."