David Evans said the party has spent too much time acting like a ‘gaggle on the ground’ rather than forming a ‘magnificent V-formation’.

The Princess Royal has laid a wreath and spoken with veterans at a service commemorating the soldiers who died during the Battle of Arnhem 80 years ago.

Delegates at Labour’s annual conference are expected to debate economic policy, including cuts to winter fuel payments, on Monday.

Marxist Anura Kumara Dissanayake has campaigned on a pro-working class and anti-elite platform, which has proven popular with young people.