California and others filed lawsuits Monday challenging new Trump administration rules for denying green cards to applicants who have relied on public assistance.

A federal judge has already halted the plan nationwide, but the Trump administration has asked the Supreme Court to revive it, arguing the federal government would be seriously harmed by voter fraud if it does not.

A federal judge again Friday blocked the U.S. Postal Service from enacting President Trump's sweeping new mail ballot rules for the November election.

The effort is part of the implementation of President Trump's executive order limiting mail voting and has been temporarily halted by a federal judge. The ruling is being appealed by the administration and the directive may ultimately end up back before the U.S. Supreme Court.