Britain's billionaires have seen their mega-riches rocket over the past year while millions of ordinary people are still battling to make ends meet, research has revealed. While many families remain in the grip of the punishing cost of living squeeze, the wealth of those at the very top has swollen by another £11billion, equivalent to more than £30million every single day, according to a report published by Oxfam . It has got to the stage where 56 billionaires are now worth as much as 27