Live updates: Labour leadership crisis
Latest developments:
- Deputy leader Tom Watson is expected to hold talks with trade unions to try to get them to withdraw support for Jeremy Corbyn
- Angela Eagle warned Mr Corbyn she will 'resolve' the crisis if he 'doesn't take action'
- Unite leader Len McCluskey said the 'coup' against Mr Corbyn has failed
- Mr Corbyn has been under pressure to quit since nearly his entire shadow cabinet resigned