By Brad Brooks, Jorge Garcia, Idrees Ali and Phil StewartLOS ANGELES (Reuters) -U.S. Marines were deployed to Los Angeles on Friday, the military said, a rare domestic use of its forces as protests over President Donald Trump's immigration raids spread nationwide.

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.

The House Oversight Committee is investigating the protests in Los Angeles, sending letters to the top Democratic officials involved in the response.

Over the years, Trump has threatened to intercede in the state’s long-running homeless crisis, vowed to withhold federal wildfire aid as political leverage in a dispute over water rights, called on police to shoot people robbing stores and warned residents “your children are in danger” because of illegal immigration.

Noem was in L.A. to address the ongoing demonstrations protesting President Donald Trump's immigration policies.

New Jersey activist and advocates drew parallels to Newark mayor's recent arrest by ICE agents outside detention facility.

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

San Francisco — A federal court hearing is scheduled for Thursday on whether the Trump administration can use the National Guard and Marines to assist with immigration raids in Los Angeles.