The Supreme Court has refused to allow the Trump administration to deploy National Guard troops in the Chicago area to support its immigration crackdown

The US Supreme Court refused to let President Donald Trump start deploying National Guard troops in Chicago, dealing a setback to his drive to use the military in liberal cities across the country.

Trump's federalization of the National Guard has sparked a fierce debate across party lines, as Democrats denounce the push as unlawful and beyond the scope of his authority.

The justices denied the Justice Department's request ​to lift a judge's order that has blocked the deployment of hundreds of National Guard personnel in a legal challenge brought by Illinois state officials and local leaders.

The decision is the major defeat for Trump and his broad claim that he had the power to deploy military forces in U.S. cities.

The decision marks an uncommon setback for Trump at the high court, where his administration has frequently prevailed.

WASHINGTON—The Supreme Court on Tuesday blocked President Trump from sending the National Guard into the Chicago area, dealing a rare loss to the president on an issue of executive power. The decision,

President Trump ordered state-based troops to Portland, Ore.; Los Angeles; Washington; and Chicago over the objections of state and local officials.