Former Labour leadership challenger says bloc of 30-40 left-wing MPs would force party to end austerity if it won.
Though out of the Labour leadership race, he has topped the ballot to be first to introduce a privat
John McDonnell stands aside to give Diane Abbott a fighting chance of making the ballot.
Burnham certain to make the ballot but the left remains hopelessly divided.
The candidates need to show leadership by saying what they would do differently.
It is Abbott who has the greater potential support.
Former schools secretary just one vote away from making it on to the ballot paper.
Odds-on favourite takes the lead with 48 nominations.
He can’t win, but his presence in the contest would shift the whole debate to the left.