What needs to be done to stop the Belfast unrest from spreading around the rest of the UK's major cities?

What needs to be done to stop the Belfast unrest from spreading around the rest of the UK's major cities?Joining Iain Dale on Cross Question are MPs Dawn Butler and Caroline Voaden from the Liberal Democrats, the Conservative peer and director of the Institute of Economic Affairs Lord Daniel Hannan, plus the Tory local councillor and former Police and Crime Commissioner Festus Akinbusoye.