Sinn Fein defiant on Stormont Welfare reform crisis #BBCNolan

Stormont on the brink. As expected, the controversial Welfare Reform Bill has been defeated. We're told that means a massive black hole in the budget. And there's political stalemate on what to do next. Will a civil servant have to take charge and impose massive cuts. Or will London step in, strip welfare powers from Stormont and impose the controversial benefit reforms over the heads of MLAs? Stephen talks to Sinn Fein MLA John O'Dowd