Jewish Labour members have branded the party leadership as antisemitic in a fresh blow to Jeremy Corbyn.

The Jewish Labour Movement (JLM) passed the damning motion at its annual general meeting on Sunday, accusing Mr Corbyn of having “condoned antisemitism and antisemites”.

The group said the Labour leader was “unfit to be prime minister” and that a government he led “would not be in the interests of British Jews”.

JLM is Labour’s only official Jewish affiliate and has been part of the party for almost 100 years.

One source at the meeting told The Independent the decision to approve the motion of no confidence in Mr Corbyn was “almost unanimous”.

It reads: “The leadership of the Labour Party have demonstrated that they are antisemitic, and have presided over a culture of antisemitism in which they have failed to use their personal and positional power to tackle antisemitism, and have instead used their influence to protect and defend antisemites.

“Jeremy Corbyn is directly responsible, whether through his own actions, where he appears to have condoned antisemitism and antisemites, or through his inaction to tackle the wider problem within the party.”

The motion said JLM “has no confidence in Jeremy Corbyn’s ability to understand, respond to or solve the problem” and claimed “his leadership of the Labour Party combined with his past actions and associations shows a complete disregard for the Jewish community in Britain”.

It added: “Jeremy Corbyn has not been an ally against antisemitism in the Labour Party.

“Jeremy Corbyn is therefore unfit to be prime minister and a Labour government led by him would not be in the interest of British Jews”.

The motion of no confidence in Mr Corbyn was tabled as an amendment to a wider motion on antisemitism that claimed Labour was “institutionally antisemitic” and said the party leadership had “directly intervened in disciplinary cases to exonerate members responsible for grotesque and overt antisemitism”.

Protests against Labour antisemitism Show all 14 1 /14 Protests against Labour antisemitism Protests against Labour antisemitism Protesters clashed during the demonstration Reuters Protests against Labour antisemitism Members of the Jewish community hold a protest against Labour party leader Jeremy Corbyn and antisemitism in the Labour Party AFP/Getty Protests against Labour antisemitism Protesters hold placards and flags during a demonstration, organised by the British Board of Jewish Deputies for those who oppose antisemitism, in Parliament Square Reuters Protests against Labour antisemitism Hundreds of people gathered in Parliament Square to protest against antisemitism in the Labour Party EPA Protests against Labour antisemitism Labour MP Luciana Berger speaks during the protest PA Protests against Labour antisemitism A protester blows through a shofar during the demonstration Getty Protests against Labour antisemitism Members of London's Jewish community protest in support of Labour leader Jeremy Corbyn outside parliament EPA Protests against Labour antisemitism Labour MP John Mann speaks during a protest against antisemitism PA Protests against Labour antisemitism People protest against antisemitism in the Labour Party as Jewish community leaders have launched a scathing attack on Jeremy Corbyn, claiming he has sided with antisemites ‘again and again’ PA Protests against Labour antisemitism Labour politicians Stella Creasy and Chuka Umunna leave after attending the demonstration Getty Protests against Labour antisemitism A pro-Jeremy Corbyn protester holds a placard during a counter-protest Getty Protests against Labour antisemitism A support of the Labour Party hold up a placard during the demonstration Reuters Protests against Labour antisemitism Jeremy Corbyn supporters during the demo Reuters Protests against Labour antisemitism A protester holds up a sign reading ‘For the many, not the Jew’ AFP

It also said JLM would refuse any engagement or meeting with the leader of the opposition and his office, and that it would use its influence within “communal organisations” to whom it is affiliated to get them to adopt the same position.

It is understood that Labour MPs Dame Margaret Hodge and Ruth Smeeth were among those speaking in favour of the main motion, which was also passed with an overwhelming majority.

Last month, JLM held an emergency meeting to discuss whether it should stay affiliated to Labour. Members decided it should remain linked to the party.

Speaking hours before the latest meeting, shadow attorney general Shami Chakrabarti urged the group to stay in the party.

She told Sky News’s Ridge on Sunday: “My plea to the Jewish Labour Movement is to stay in the Labour movement and to tackle racism together, not to personalise it and make it about Jeremy Corbyn because he is one person and he won’t be leader forever.

“We have to make this non-factional, non-personal and work together, and that’s my plea to colleagues and comrades in the Jewish Labour Movement, who are such an important part of Labour’s history and Labour’s story.”

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Those behind the motion of no confidence in Mr Corbyn had earlier urged Jewish Labour members to support it.

In a letter published in The Independent, they wrote: “It is often said that Corbyn has been on the right side of history. On this issue, history will show that he failed to take a side, and by doing so, effectively sided with the oppressors. You cannot compromise on racism. If you meet racism halfway, the racists win.

“Our experience as Jews in the Labour Party is testament to the fact that a Labour government led by Corbyn would not be in the interests of British Jews.

“Corbyn is seeking high office, the power of the British state, bureaucracy and its apparatus. The treatment of our community at the hands of Corbyn’s Labour Party is a warning for all minority groups. We have a duty to speak out.”

A Labour Party spokesperson said: “Jeremy Corbyn and the Labour Party are fully committed to the support, defence and celebration of the Jewish community and its organisations.