The U.K.'s would-be prime minister, Andy Burnham, is being closely watched by bond markets.

Bond vigilantes also sold gilts en masse, with UK government bond yields rising due to Andy Burnham's announcement.

The British government faces weeks of uncertainty as embattled Prime Minister Keir Starmer prepares for a leadership challenge from the popular mayor of Manchester, Andy Burnham.

Traders fear a new left-leaning U.K. government led by Andy Burnham would challenge the country's fiscal discipline.

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.

The U.K.'s would-be prime minister, Andy Burnham, is being closely watched by bond markets.

Bookies’ favourite to replace Keir Starmer tones down stance on government borrowing to assuage City investors

As Greater Manchester Mayor Andy Burnham looks to replace U.K. Prime Minister Keir Starmer, his record in office is receiving attention.