WASHINGTON — The police chief of Washington, D.C., ordered an increase in cooperation between local officers and federal immigration agents on Thursday, a development that ramps up the stakes in an already tense environment after President Donald Trump’s security crackdown put the city’s police force under the command of the administration.

The Executive Order, issued Thursday and signed by Metropolitan Police Department Chief Pamela Smith, establishes that MPD officers may now share information with immigration agencies regarding people not in custody —such as someone involved in a traffic stop or checkpoint. MPD officers may also provide “transportation for federal immigration employees and detained subject,” the order states.

The changes, which raise collaboration between the two forc

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