Jeremy Corbyn alongside a poem tweeted by a supporter under the hashtag #WeAreCorbyn, after a plea from the leader’s allies for activists to show their loyalty

Labour high command has been accused of letting off allies of Jeremy Corbyn accused of anti-semitism by claiming that leading activists in the firing line are not even members of the party.

Labour against Antisemitism (Laas) has reported to the party more than 1,200 accusations of anti-semitic abuse by suspected Labour members over the past two years. In several cases, however, those with close links to the leadership have been exonerated because party bosses claim they cannot find evidence that they are party members, a claim it is difficult for Corbyn’s critics to contest.

The claims come after a week of Labour infighting that threatens to dog Corbyn all summer. His critics brand him a facilitator of anti-semitism, while his allies encouraged supporters to tweet