Shadow chancellor Sir Mel Stride said taxpayers face a 'Burnham premium' as markets push up government borrowing costs because of concerns that he will drag Labour further to the Left.

La posibilidad de que Andy Burnham se convierta en primer ministro es vista como un riesgo por los operadores, que temen que pueda aumentar el gasto público.

The pound tumbled and the cost of Government debts soared on Friday, with economists predicting the pressure will continue throughout a likely Labour leadership contest.