In a letter to Unite members, the officials have called for a vote for the longshot candidate.
Ed Miliband did well when appealing to broad principles and good policy - less so when acting from the crude politics of us against them.
Ukip have a history of lapsing into factional in-fighting
Harriet Harman has given a speech laying out the party's plans and approach to the leadership election.
Angela Eagle declares that she will be running for the deputy Labour leadership.
The next Labour leader will face varied challenges. If they can't answer them all, they're doomed to failure.
The forces of In are in bigger trouble than they realise.
The Labour leadership frontrunner adds to his big tent of backers with the endorsement of the shadow work and pensions secretary.
Stella Creasy, the popular MP for Walthamstow, will challenge Tom Watson and Caroline Flint for the post.
Jim Murphy has resigned his position after narrowly surviving a no-confidence vote.
We notice you have ad blocking software enabled. Support the New Statesman’s quality, independent journalism by contributing now — and this message will disappear for the next 30 days.
If we cannot support the site on advertising revenue, we will have to introduce a pay wall — meaning fewer readers will have access to our incisive analysis, comprehensive culture coverage and groundbreaking long reads.