The Trump administration agreed to leave the D.C. police chief in control of the department, but the District’s police were ordered to aid immigration efforts.

Washington, DC, Police Chief Pamela Smith signed an executive order Thursday allowing DC police officers to share information about people not in their custody with federal immigration enforcement agencies such as ICE — as President Donald Trump continues his federal takeover of law enforcement in the nation’s capital and crackdown on illegal immigration.

White House efforts to tighten its grip on the Washington, D.C., police force are prompting pushback from the city’s leaders, escalating tensions as the Trump administration sought to compel Washington’s help with immigration enforcement.