Starmer’s ‘purely defensive’ stance has won support among voters, but what challenges lie ahead for each party when it comes to their base’s view of war?

The bombing of Iran is deeply unpopular. Despite the Tories’ urgings, Keir Starmer must not further embroil the UK in this disaster, says Guardian columnist Simon Jenkins

Starmer faced a humiliating by-election defeat in Gorton and Denton to the Green Party last week