JEREMY CORBYN is seeking to overturn a decision to stop new Labour members voting in the party’s leadership election, branding it “simply not fair.”

More than 130,000 people have joined the party in the last six months, but they will not be able to vote in the leadership contest unless they pay another £25 to become a registered supporter.

Labour’s national executive voted last week to exclude any member who had joined the party or affiliated trade unions after January 12, which was a boost to Mr Corbyn’s rivals who have less support among the party’s grassroots.