Jeremy Corbyn’s Labour is now as far behind the Conservatives as when his predecessor Michael Foot lost by a landslide to Margaret Thatcher, according to a new poll.

Just 27 per cent of voters would back Labour at an election while 43 per cent would support the Tories, the pollster ICM found – almost identical figures to when Mrs Thatcher won re-election in 1983.

The findings will increase comparisons between Mr Corbyn and Mr Foot, a Left-winger whose election manifesto was described as the “longest suicide note in history”.