A Labour MP has been threatened with deselection by hard-left activists unless she apologises for criticising Jeremy Corbyn.

Liverpool Wavertree MP Luciana Berger was one of the shadow ministers who quit her frontbench position last year in protest at the Labour leader.

But she has been ordered to 'to get on board quite quickly now' after a group of Corbynistas staged a takeover of her branch.

It comes amid fears that the hard-left will seize upon Mr Corbyn's new-found strength over the party to purge moderate MPs and install their allies.

Another Momentum group in South Tyneside has posted a list of over 50 Labour MPs who it wants to see out of the party - including Chuka Umunna, Margaret Hodge and Ms Berger.

Meanwhile, Tory MP Sarah Wollaston has demanded the Labour leader do more to tackle the rising tide of abuse after her offices were vandalised by a masked man during the election campaign.

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Luciana Berger, pictured out on election night in Liverpool last month, has been ordered by one of her new local branch members to apologise for criticising Jeremy Corbyn

Left-wing activist Roy Bentham has told Luciana Berger that she must come out and publicly apologise for criticising Labour leader Jeremy Corbyn

In a Facebook post it said the MPs should ‘join the Liberals if they don’t want us to hold on to millions of working-class votes’.

Stella Creasy, who voted for Mr Umunna’s amendment calling for Britain to stay in the single market, was also on the list, along with Dame Margaret Hodge, who tabled a confidence vote in Mr Corbyn last year. Last night Momentum said the list did not reflect the group’s national policy.

Later the local branch claimed its Facebook page had been ‘illegally hacked’.

Momentum activists swooped in to take nine out of the ten positions on the Wavertree group's executive committee at a meeting.

And one of the newly-installed figures immediately issued the MP with a menacing threat - warning her to toe the new line or face a backlash.

Roy Bentham told The Liverpool Echo: 'Luciana needs to get on board quite quickly now.

LUCIANA BERGER'S ANTI-SEMITIC ABUSE Luciana Berger, a prominent Jewish Labour MP, has spoken out about receiving a stream of vile anti-Semitic abuse online. She received 2,500 hate-filled messages in just three days with one troll telling her she is going to 'get it like Jo Cox did'. She lifted the lid on the horrific abuse last year by publishing some of the messages online. Some feature the yellow star Nazis used to label Jews, while others caricature her with a big nose or greedily rubbing her hands. Some even call her a pig or threaten to rape or kill her. Miss Berger introduced her selection posting: 'For those in any doubt, this is just a little snapshot of what Anti-Semitism in 2016 looks like. It is very real.' Advertisement

'She will now have to sit round the table with us the next time she wants to vote for bombing in Syria or to pass a no confidence motion in the leader of the party - she will have to be answerable to us.

'We would like her to come out publicly like other MPs have done and apologise for not supporting him in the past.'

And he put other Labour moderates on notice that they could be next as Momentum activists mobilise to take over other branches.

He said: 'What happened in Wavertree sends out a clear message about the effect Jeremy has had and shows other branches in Liverpool and Merseyside what people who are enthused by his politics can achieve.

'There was about 160 members there last night and the atmosphere was crackling, it's one of the biggest attendances I have seen in many years of those meetings.'

Ms Berger, who has recently had a baby, has spoken out about being the victim of vile anti-Semitic abuse - once receiving 2,500 abusive tweets in three days.

In the aftermath of the takeover, she rushed out a statement insisting that she wants Mr Corbyn to be PM.

In it, she states: 'The Labour Party In Liverpool Wavertree is a vibrant, democratic organisation with around 1,800 members. Quite rightly, the members elect officers of the party to oversee its work.

'We are united in wanting to secure a new General Election and the return of a Labour government under the leadership of Jeremy Corbyn as soon as possible.

Supporters of Jeremy Corbyn, pictured at a college in Barnet today, are mobilising to take over local Labour Party branches - sparking fears that moderate Labour MPs could be deselected i they do not toe the line

The Labour leader, pictured trying his hand at bricklaying at a college in Barnet today, has been urged to rein in his supporters amid a rising tide of abuse directed at MPs

'We had a great local result on June 8, with the Labour majority going up for the third election in a row and almost four in five people voting for Luciana Berger as the Labour candidate.

'That is thanks to the hard work of local members and a revitalised national party under Jeremy Corbyn.

'It is a fantastic foundation for the next General Election, whenever it comes.'

TORY MP TELLS OF ABUSE SHE SUFFERED ELECTION AND URGES CORBYN TO STEP IN Sarah Wollaston received had her office vandalised during the election campaign A female Tory MP has spoken out against the abuse she received during the election campaign – and demanded Jeremy Corbyn to do more to stop it. Sarah Wollaston, the MP for Totnes in Devon, revealed that a masked man scrawled the words 'you dogs' over her office. She said the abuse left her feeling 'intimidated' and like the man was waging a campaign to 'force me out of town'. And she attacked the Labour leader for failing to do enough to rein in his supporters who are believed to be behind some of the abuse against MPs. Ms Wollaston told The Guardian: 'The second time, when I saw on the CCTV it was a masked man, people do find that intimidating. It is designed to intimidate. 'It feels like it is designed to try and force me out of the town. It just shows a kind of intolerance that I think is really sad.' She said the abuse she and other MPs have suffered makes a mockery of the Labour leader's promise to usher in a 'gentler kind of politics'. She said: 'I do feel Jeremy Corbyn has got to stop just talking about a kinder politics and make sure that is a message that gets through to some of his members on the far left and likewise for other parties too. 'There have to be consequences for people who are deliberately targeting those with whom they don't happen to share a political viewpoint and that are using tactics designed to intimidate. 'You realise there is a tsunami of this stuff that comes at you.' Last week Tory MP Sheryll Murray revealed that swastikas were carved into her election posters and she received messages saying 'burn the witch'. Advertisement

Angela Kehoe-Jones, secretary of the Wavertree CLP, tried to the branch from Mr Bentham’s threat.

In a statement she said: ‘We must disassociate ourselves from remarks made by one of our officers who did not speak on behalf of the executive.

‘The views he expressed do not in any way represent the position of the CLP officers’

She said the CLP is ‘united in our common goal to oust this Tory Government and to see a Labour Government elected under the leadership of Jeremy Corbyn.’

John Woodcock, the Labour MP for Barrow and Furness and a vocal critic of Mr Corbyn, spoke out in support of Ms Berger.

Writing on Twitter, he said: 'Luciana Berger a brilliant MP and lovely person.

'Real Labour people would back her while she is on (maternity) leave, not try to intimidate her.'

The takeover will fuel fears that left-wingers have started to mobilise to purge moderates.

It comes after Ian Lavery, Labour party chairman and close ally of Mr Corbyn, has warned Labour is 'too broad a church' and current MPs must 'work very hard' to avoid deselection.

In an interview at the weekend, he said no politician has a 'divine right' to be an MP and warned that 'everything has got to be on the table' in terms of party reform.

And Chris Williamson, another close ally of Mr Corbyn who was just been promoted to shadow fire minister, backed calls for the mandatory re-selection of MPs.

He said: 'There are interest groups and individual MPs in this party who think it’s their god-given right to rule.

'No MP should be guaranteed a job for life and it’s crucial that we all get with the times.

'MPs elected in earlier phases of this party run the risk of failing to understand what is really going on out there in society.

'Although this party’s hundreds of thousands of new members were once demonised the election has shown that the political instincts of these members are in line with popular opinion.

'For our party to succeed these members must be listened to ... Yes Labour is a big church, but we currently have a large bulk of MPs who represent one relatively small tendency in the congregation.

'To keep Labour fresh and updated we need MPs who can win the support of the mass membership. '

And many moderate Labour MPs will fear they could be next after Momentum South Tyneside published a list of more than 50 parliamentarians they want out of the party.

Listing the MPs they do not approve of, the group stated: 'These usual suspects should join the Liberals if they don't want us to hold onto millions of working class votes.'

They have highlighted members of the Blairite think-tank Progress for criticism.

The South Tyneside Momentum branch drew up a list of over 50 Labour MPs who it suggested should leave the party and join the liberals instead

The Momentum group branded the parliamentarians 'so called Labour MPs' and suggested they do not want to represent 'youngsters who back Corbyn and want to create a decent society'

Many of Labour 's most prominent parliamentarians are on the list, including Keith Vaz, Stella Creasy and Jess Phillips.

In a message posted alongside the list, the group warned that other moderates are in their sights.

They posted: 'This list is by no means comprehensive, there are a lot more so-called Labour MPs who would happily go back in to comfortable "opposition" rather than fight the system and represent the youngsters who back Corbyn and want to create a decent, caring and fair society for their kids and their grandparents.'

Meanwhile, Tory MP Ms Wollaston has spoken out against the abuse she received during the election campaign – and demanded Mr Corbyn to do more to stop it.

The MP for Totnes in Devon revealed that a masked man scrawled the words 'you dogs' over her office.

She said the abuse left her feeling 'intimidated' and like the man was waging a campaign to 'force me out of town'.

Yvette Cooper spoke out in support of the Luciana Berger who she said should inspire all Labour support

Labour MP John Woodock spoke out in support of his colleague on Twitter and accused the hard-left activists of trying to intimidate her

Labour's shadow health secretary Jonathan Ashworth lent his support to Luciana Berger on Twitter, although he did not specifically mention Momentum's takeover of her branch

And she attacked the Labour leader for failing to do enough to rein in his supporters who are believed to be behind some of the abuse against MPs.

Ms Wollaston told The Guardian: 'The second time, when I saw on the CCTV it was a masked man, people do find that intimidating. It is designed to intimidate.

'It feels like it is designed to try and force me out of the town. It just shows a kind of intolerance that I think is really sad.'

She said the abuse she and other MPs have suffered makes a mockery of the Labour leader's promise to usher in a 'gentler kind of politics'.

She said: 'I do feel Jeremy Corbyn has got to stop just talking about a kinder politics and make sure that is a message that gets through to some of his members on the far left and likewise for other parties too,' she said.

'There have to be consequences for people who are deliberately targeting those with whom they don't happen to share a political viewpoint and that are using tactics designed to intimidate.

'You realise there is a tsunami of this stuff that comes at you.'

Last week Tory MP Sheryll Murray revealed that swastikas were carved into her election posters and she received messages saying 'burn the witch'.