Washington state could lose more than a billion dollars in funding if the Trump administration carries through with its threats.

California Atty. Gen. Rob Bonta filed two lawsuits on Tuesday challenging a Trump administration policy that would deny the state billions of dollars in transportation grants unless it follows the administration's lead on immigration enforcement.

(Reuters) -A coalition of 20 Democratic-led states filed two lawsuits on Tuesday seeking to block President Donald Trump's administration from forcing them to cooperate with immigration enforcement in order to receive billions of dollars in transportation, counter-terrorism and emergency preparedness grant funding.