Jeremy Corbyn “capitulated” over anti-Semitism as Labour leader, the co-founder of his new political party has claimed. Zarah Sultana, who launched a new hard-Left movement with Mr Corbyn last month, said he was wrong to adopt the International Holocaust Remembrance Alliance (IHRA) definition of anti-Semitism. The definition includes holding Jews responsible for Israel’s actions and comparing its policies to those of the Nazis. On Sunday night, the Board of Deputies of British Jews accused Ms Sultana of a “grave insult” to the Jewish community and questioned her “wider commitment” to anti-racism. Labour initially refused to accept the IHRA wording under...