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.

Tens of thousands of Americans have marched through the United States' major cities in a massive protest effort against Donald Trump, coordinated to counter his show-of-force military parade in Washington DC.

California Gov. Gavin Newsom said President Donald Trump is “pulling a military dragnet” across Los Angeles during a brief public address on Tuesday.