The relationship between Mr Corbyn and his former deputy leader, Tom Watson, was known to be strained but it wasn’t until after Labour’s worst defeat since 1935 that Mr Watson has explained how much he detested him. He revealed all on the Last Call podcast.
Mr Watson accused Mr Corbyn of running a “Stalinist operation” and singled out Seumas Milne, the communications secretary who was educated at Winchester College for £42,000 per year.
Mr Watson said: “It always amazed me that an avowed Stalinist-Communist would be a Labour Party member, let alone director of communications for the leader of the Labour Party.”
The former deputy leader also revealed the “guy who freaked me out the most” was Andrew Murray, a lifelong Communist before joining the Labour Party and was hired by Mr Milne.
Mr Watson continued: “He was a hardcore Stalinist and at the very heart of decision making in the Labour Party.
Jeremy Corbyn attacked for running ’Stalinist cabal’ as Tom Watson finally breaks silence
Jeremy Corbyn and Tom Watson had a strained relationship
“That cabal have a lot of responsibility for creating the internal political tensions, but also for the programme that millions of working people in Britain didn’t buy in to.”
Mr Watson waited until the last election in December, which saw Labour strongholds in the north turn for the first time too Conservative, before quitting.
This is not the first time Mr Watson has lashed out at his own party after he criticised the former Labour Party leader after quitting and criticised Labour’s messaging in the campaign.
He told the Guardian in December: “There were announcements everywhere, but none of them got through because there were so many.
Jeremy Corbyn suffered a disastrous defeat in December
“You knew what Boris Johnson’s was: Get Brexit done. What was the Labour strap line?”
He also opened up about the disastrous defeat in December claiming he knew it would be “pretty bad”.
Mr Watson told LBC: “I thought it would be pretty bad.
“I thought it would be very difficult to turn around the Conservative Party poll lead.
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Election 2019 results
“You know, a lot of people believe that there could be a sort of 2017 where the gap could be closed but I thought that would be very difficult.
“But you know, I was obviously disappointed to see those results and to see some very good colleagues work very hard for their constituents loose their seats, you know, in what was not really their fault.
“It wasn’t the work they did that meant they lost. I felt very sorry for them.”
Mr Corbyn stepped down following the defeat and Sir Keir Starmer was elected as the new Labour Party leader.
Tom Watson lashes out at the former Labour leader
This week, Sir Starmer was criticised for defending Mr Corbyn despite accusations of anti-Semitism ravaged the Labour Party under the former leader.
An LBC caller called David accused Sir Keir Starmer of “empty words” as he claimed the Labour leader stood by Jeremy Corbyn for five years while Jewish communities “cried for help”.
He said: “What would it take for you to kick someone out of the Labour Party for anti-Semitism? You speak out now but for five years you campaigned alongside Jeremy Corbyn.
“You supported Jeremy Corbyn and to get Jeremy Corbyn into Government, you were standing alongside him.
Sir Keir Starmer criticised for defending Jeremy Corbyn
“Other MPs left the party they were so disgusted at the anti-Semitism.
“So, in all honesty, saying the right thing now when you ignored the Jewish community at a time when they were crying out for help, actually now when it’s convenient you can say something.
“That’s not principle, it’s empty words.”
The new Labour leader replied: “David, within hours of becoming Labour leader I reached out to various Jewish groups and leaders across the UK and said, ‘Would you give me a time and a day and will you meet me?’
Jeremy Corbyn saw worst Labour election results since 1935
“We did that within the first few days of me being Labour leader and we had a frank discussion.
“I told them what I was going to do to root out anti-Semitism.
“Those communities and those leaders have at least given me enough trust to do what I’ve got to do.
“And I had a discussion with the Chief Rabbi as well.
Sir Keir Starmer named new Labour Party leader
“So I’m well aware of the nature and scale of the task.
“I will be judged by results.”
Sir Keir added he will “kick anti-Semites out of the Labour Party”.
The Labour Party underwent an investigation into its handling of anti-Semitism in the party under the leadership of Mr Corbyn.
The investigation, which was completed in the last month of his leadership, claims to have found “no evidence” of antisemitism complaints being treated differently to other forms of complaints, or of current or former staff being “motivated by antisemitic intent”.