The signed memorandum of understanding was thin on details, and the White House did not comment. But President Trump has said he expects to sign a minerals deal with Kyiv soon.

The head of the federal Department of Transportation promised on Thursday to take away control of the project from the Metropolitan Transportation Authority.

Demonstrators rallied on Columbia’s campus and marched in Manhattan, three days after Mohsen Mahdawi was detained by immigration officials after arriving for a U.S. citizenship appointment.