A federal judge has rejected Los Angeles' efforts to join a lawsuit by San Francisco over immigration restrictions placed on a major federal grant by the Trump administration.
U.S. District Judge William Orrick said Monday that allowing Los Angeles in the suit would open the door for cities across the country to join. The judge says that situation would upend rules about what courts cases belong in.
The Los Angeles City Attorney's office says it will file its own lawsuit.
Attorney General Jeff Sessions said in July cities and states can only receive Edward Byrne Memorial Justice Assistance grants if they allow federal immigration officials access to detention facilities. They must also provide advance notice when someone in the country illegally is about to be released.