UK borrowing costs jump as uncertainty over PM’s future continues BBCLong-term UK bond yields rise to 1998 high, sterling down RTE.ieUK long-term borrowing costs dip from 28-year high after Starmer allies back PM – business live The Guardian‘Starmer drama’: UK borrowing costs hit post-2008 peak as leadership fears hit bond markets CNBCUK borrowing costs surge as Starmer leadership crisis rattles bond markets Financial Times