The eighth parliamentarian to quit the British Labour Party this week announced her resignation on Wednesday, as she accused hard-left leader Jeremy Corbyn of posing an “existential threat to British Jews” after comparing him with US President Donald Trump.

Joan Ryan, who is also chair of Labour Friends of Israel, told the BBC that she was “horrified, appalled and angered” by Labour’s failure to tackle antisemitism, saying its leadership allowed “Jews to be abused with impunity”.

Ryan said she did not believe that Corbyn was fit to lead the UK, which remains in crisis over the precise terms of its March 29 departure from the EU, or “Brexit.”

Writing in The Jewish Chronicle, Ryan compared Corbyn with the current US president, arguing that he had turned Labour into “a machine” that “resembles Donald Trump’s alt-right and the European far right.”

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The party’s disdain for the Jewish community’s concerns over the antisemitism scandals that continue to plague its rank and file “has rotted Labour’s moral core,” Ryan asserted.

She continued: “As we have fought to rid Labour of anti-Jewish racism, we have seen the ugliness of Corbyn’s hard left political machine exposed. We’ve seen it spin vicious antisemitic conspiracy theories to evade the truth. We’ve seen its bullying and aggressive tactics deployed against Jews and their allies in the party who speak out. And we’ve seen the adoption of an all-consuming narrative of rage, betrayal and the hunt for heretics.”

She concluded: “A Corbyn government would be, as British Jews have claimed, an existential threat to the community. I will do all in my power to stop that threat from materializing.”

Ryan will now join the seven MPs who announced their departure from Labour on Monday in a new parliamentary “Independent Group.” Three pro-EU Conservative MPs have also joined the new centrist grouping, citing irreparable differences with the party’s stance on Brexit.