The incident allegedly took place at Newberries Primary School in Radlett, a suburb of London that is around one-third Jewish.
“I haven’t tried to involve the synagogue, because if you are asking for permission, you might not get it,” the rabbi said.
He has become an online celebrity for his cries of “Order!” and other colorful rhetoric in the age of the Brexit debate.
Mann said that being government adviser on anti-Semitism will allow him to “devote 95% of my life to fighting the war against anti-Semitism.”
The man, who said he was from “Palestine,” was challenged by other passengers but continued his tirade.
On one video, an American paid $5 to write “Hollywood is run by Jews” and “Jews hate Jesus.”
The figures released by the Community Security Trust anti-Semitism watchdog is the highest ever in that six-month period.
Johnson’s great-grandfather was Jewish. “I feel Jewish when I feel the Jewish people are threatened or under attack,” Johnson said in 2007.
The party has launched an educational website about anti-Semitism.
“You have failed to defend our party’s anti-racist values. You have therefore failed the test of leadership,” the critics charged.