Ian Lavery
Admission flies in the face of Jeremy Corbyn's general election claim.
'There's no doubt there will be changes,' says key ally.
Party remains a 'broad church'.
'People are sick of cuts, sick of austerity'.
'Everything has got to be on the table' for reform.
He almost ended up on the floor at one point.
By-election in 'Brexit capital' takes place on February 23
The party is defending seats it has never before lost
Claims derided as ‘Something-I-Made-Up-Earlier-Dot-Com’