Keir Starmer suffered an unhappy birthday today as the government's popularity slumped to a new record low and investors hammered the UK.

YouGov found Labour's approval rating has slumped to minus 59 - with 70 per cent satisfied with their performance and 11 per cent dissatisfied.

The net figure was down five points on a week ago, and the worst the firm has yet detected.

The grim numbers emerged after the PM desperate reshuffle 'sidelined' Rachel Reeves and sparked a frenzy on markets.

Government borrowing costs have spiked to 27-year highs as investors bet Labour will need to borrow more as the economy slows and MPs clamour for more spending.