Republican lawmakers in about dozen states are advancing proposals that could aid President Donald Trump's deportation efforts.

West Virgina Gov. Patrick Morrisey is asking the federal government to approve West Virginia’s participation in a program that will give more flexibility to correctional officers and other law enforcement agencies by granting them some immigration enforcement powers.

For years, federal immigration authorities have waged wars of words with Boston and other so-called sanctuary cities that limit cooperation with federal immigration officials.

As the Trump administration works to crack down on migrants living in the U.S. illegally, some people have spotted federal immigration officers in the Rochester area.

The suit asserts that sanctuary laws in Chicago, Cook County and Illinois have obstructed federal efforts to enforce immigration policy.

The Trump administration has sued Illinois and Chicago, alleging its laws are impeding on federal efforts to enforce immigration laws.

Chicago Mayor Brandon Johnson, who did not immediately respond to request for comment, has defended the city's sanctuary laws. He and other mayors plan to testify next month at a

Federal officials are asking a judge to bar the Illinois, Chicago, Cook County and the Cook County Sheriff from using local laws that protect migrants to hamper law enforcement.

The federal lawsuit is the first by Trump's Justice Department against states or municipalities that have sanctuary city policies.