UK borrowing costs fall as PM backs chancellor

The cost of government borrowing has fallen in early trade on Thursday, partly reversing a surge prompted by the chancellor's emotional appearance in the Commons the previous day.The yield on UK 10-year bonds fell to 4.53%, down from 4.61% at Wednesday's close - as markets reacted to the prime minister's comments that he worked "in lockstep" with Rachel Reeves.The pound, which also fell on Wednesday, recovered…