The last use of the legislation was in 1992, when President George H. W. Bush invoked it to send troops to Los Angeles to put down the Rodney King riots.
The Federal Railroad Administration wrote to high-speed rail authority CEO Ian Choudri notifying him of the possible termination of unspent federal grants.
California has sued the Trump administration, alleging the National Guard deployment was unlawful. Trump said it was necessary to ‘address the lawlessness.’