There is a good deal of fear': what would a Labour leadership challenge mean for bond markets?

"Local elections should not typically influence the market, but the potential fallout from a leadership challenge and changes to fiscal policy have made them relevant."

"The yield on 10-year UK government debt has risen above 5%, the highest level since the 2008 financial crisis, as investors demand greater returns."

"Britain's significant exposure to Middle East inflation shocks, due to its status as a major energy importer, is a key factor in rising borrowing costs."

"Pollsters predict the loss of between 1,500 to 2,000 Labour local councillors across England, which could further destabilize the party's leadership."

Local and devolved government elections in the UK are unusually significant for traders in government debt. A poor performance by the Labour party could threaten Keir Starmer's leadership. This situation raises concerns about fiscal policy and adherence to fiscal rules. UK government borrowing costs have surged, with yields on 10-year and 30-year debt reaching their highest levels since the financial crisis and 1998, respectively. Political risks and exposure to global inflation shocks are driving investors away from UK bonds.

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