U.S. Transportation Secretary Sean Duffy on Tuesday threatened to withhold federal transit funds from New York's Metropolitan Transportation Authority over crime and safety on the New York City subway system and other issues.

The Trump administration is threatening to withhold or redirect federal funding to New York’s mass transit system if it doesn’t receive documentation of the steps taken to address crime and create a safe environment for riders and workers.

The Trump administration is threatening to cut billions of dollars in federal funding to the MTA over subway crime, but MTA officials, the governor and the mayor say they're not worried because crime is already down.