Ian Lavery spoke publicly of overhauling the Labour leadership
Labour MP Ian Lavery was handed the key post of overseeing poll campaigns in a reshuffle last week.
But within days of taking the job, he spoke publicly of overhauling the leadership.
This is not the time for a leadership election
Tom Watson, Labour deputy leader
His remarks followed leaked internal polling data setting out the results of research into the popularity of other potential candidates for Mr Corbyn’s job.
And it emerged that Labour chiefs have advised their leader to stay away from a by-election campaign in Stoke-on-Trent because of his unpopularity with working class voters.
Jeremy Corbyn suffered a humiliating blow
Ukip leader Paul Nuttall is understood to be attracting many former Labour voters in his bid to snatch the seat in the local poll a week on Thursday.
Mr Lavery discussed potential replacements for Mr Corbyn while being spoken to about the leak of polling data.
Jeremy Corbyn in pictures
Tue, July 12, 2016
Labour Leader Jeremy Corbyn takes part in a community meeting at the Guru Har Rai Gurdwara Sahib temple
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Britain's opposition Labour Party leader Jeremy Corbyn speaks at an anti-racism rally in London
Paul Nuttall is understood to be attracting many former Labour voters
Research commissioned by party chiefs found that voters regarded Mr Corbyn as being “boring”, “fed up” and looking “like a scruffy school kid”.
Labour deputy leader Tom Watson urged colleagues to stick with Mr Corbyn.
Labour deputy leader Tom Watson urged colleagues to stick with Mr Corbyn
He said: “This is not the time for a leadership election.
“He got a second mandate from our members last year – he is now the established leader of the Labour Party.”