‘Uncharted waters’: elections guru Prof Sir John Curtice

His exit poll model has previously proved accurate, but ‘we will spend a lot of the day really worrying’, he says

UK general election live – latest updates

Ask Prof Sir John Curtice, Britain’s most trusted elections guru, about his plans for polling day on 4 July, and the answer is visceral.

“From about 11 o’clock in the morning, we’re poring over an exit poll and from about 12 hours later, we’re shitting bricks as to whether it’s right or not,” he said.