Education Secretary vows to take ‘fight to Reform’ as she becomes second MP to throw hat into the ring to replace Angela Rayner

Louise Haigh, Shabana Mahmood and Dame Meg Hillier also among candidates for Labour deputy leadership

Potential candidates have begun to jostle for position in what might become a divisive battle to succeed Angela Rayner.

Party’s ruling body agrees nominations to open on Tuesday and close at 5pm on Thursday