By Dietrich Knauth and Tom Hals WASHINGTON (Reuters) -A U.S. appeals court let Donald Trump retain control on Thursday of California's National Guard while the state's Democratic governor proceeds with a lawsuit challenging the Republican president's use of the troops to quell protests in Los Angeles.

Washington — During a visit with federal law enforcement in Los Angeles on Friday, Vice President JD Vance said the Trump administration still believes a military deployment to the city is necessary.