Bob James, from Clwyd in north-east Wales, attacked the 32-year-old in a series of Tweets where he claimed accusations of anti-Semitism were used as “a weapon” against Labour. He accused the Countdown star of using her influence as a popular celebrity to “undermine the Labour party” and “promote self interest”. Ms Riley, whose mother is Jewish, has previously criticised Labour leader Jeremy Corbyn’s handling of the issue of anti-Semitism in the party.

Mr James, a member of the Alyn and Deeside constituency party in north Wales, made the offensive comments back in December, The Mail on Sunday reports.

He said: “You have prostituted your religion, poisoning the memory of your ancestors who suffered greatly.”

In another post he wrote: “I think Riley is using her influence as a popular celebrity to undermine the Labour party.

“Her method, though, using her Jewish heritage to promote self-interest, is appalling.”

The Labour party activist has now been suspended by the party after admitting to sending numerous abusive messages to Ms Riley.

But Mr James denied being anti-Semitic.

The TV presenter has previously been vocal over Labour’s handling of antisemitism, claiming its “beyond a shadow of a doubt” the Party is anti-Semitic.

She accused Mr Corbyn of “giving a legitimate voice to Holocaust denial” and “sharing platforms with terrorists” in a Channel 4 interview.