A judge ruled New York City is now in contempt over "grave" conditions at the Rikers Island prison complex, with a federal takeover of the system now seen increasingly as likely in a years-long legal battle.

A judge found New York City in contempt of an agreement meant to improve jail conditions, setting the stage for a receivership.

A judge's scathing ruling Wednesday moves New York City's troubled Rikers Island jail complex a step closer to a federal takeover. Judge Laura Taylor Swain found the city and the Department of Correction in civil contempt over 18 separate claims of failing to rectify use of force and safety issues.