Is Boris Johnson heading for a 1997 moment?

In a major blow, the Conservatives have lost two seats in the Tiverton and Wakefield by-elections. Immediately after, the Conservative party chairman, Oliver Dowden resigned citing 'a deeply personal decision' following a 'run of very poor results for our party'.

The Lib Dems overturned a huge Tory majority in Tiverton and Honiton, Devon, their third by-election victory over Boris Johnson's party in a year. What does this suggest about the public mood towards their current government?

‘At the moment, Boris Johnson motivates the anti-Tory vote more than the Tory vote’ - James Forsyth

Isabel Hardman is joined by Katy Balls and James Forsyth