It is all (finally) starting to kick off as Labour rapidly descends into internecine war over the slotting of Michael Dugher. Labour MP Tom Blenkinsop has gone after Ken:

Who's Livingstone trying to fool. Get him off the NEC. https://t.co/BzpoqQM9lt

— Tom Blenkinsop (@TomBlenkinsop) January 5, 2016

And so has his colleague Graham Jones:

.@MichaelDugher With the sacking of Dugher, traditional working class Labour is dying. pic.twitter.com/qFZGZmJ4v6

— Graham Jones MP (@GrahamJones_MP) January 5, 2016

Jones and Momentum chief Jon Lansman are meanwhile having a right old barney:

@jonlansman Your comments are undermining the Labour Party. @MichaelDugher speaks up for working class Labour. @jeremycorbyn @andyburnhammp

— Graham Jones MP (@GrahamJones_MP) January 5, 2016

Fiiiiiiiight!

UPDATE: Top Corbyn ally Cat Smith and moderate standard-bearer Chris Leslie trade blows on the Daily Politics: