U.S. President Donald Trump can keep his deployment of National Guard troops in Los Angeles, according to a court ruling, as protests against immigration raids look set to enter their second week in the strongest backlash since his return to power in January.

The Trump administration faces a legal challenge to its deployment of the military to protests. Tensions flared after President Trump sent troops, and protests spread to other U.S. cities.

Customs and Border Patrol confirmed it is providing "aerial support" to law enforcement efforts during the protests.

President Donald Trump has painted a bleak picture of Los Angeles since protests against Immigration and Customs Enforcement raids broke out over the weekend. In some instances, in fact, ABC News observed protesters self-policing as they spoke out against Trump's policies.

Homeland Security Secretary Kristi Noem pledged Thursday to carry on with the Trump administration’s immigration crackdown despite waves of unrest.

With migrant communities already living in fear amid the Trump administration's immigration crackdown, ICE raids in downtown Los Angeles sparked days of protests.

Homeland Security Secretary Kristi Noem is promising to move forward with the Trump administration’s immigration crackdown.

Los Angeles and cities around the nation are bracing for 'No Kings' protests ahead of Trump's military parade as an appeals court ruling keeps the National Guard under the president's control for now.