Labour Party
MPs' argument spills very publicly on to Twitter.
The leadership competition is heating up!
'I love when political adverts come back to haunt people.'
She will formally announce her bid on Monday morning.
Union boss Len McCluskey tore into the deputy Labour leader.
'They peddled Project Fantasy.'
'There will be no split, there will be no retreat'
He fought fiercely against Blair's decision 13 years ago.
'Politicians and political parties can only grow stronger by acknowledging when they get it wrong'