Jewish Leadership Council
Her resignation came the same day as the Jewish Leadership Council said Labour must take stronger action against anti-Semitism in the party.
Sam Matthews takes aim at Unite boss Len McCluskey, as Jewish leaders question whether "fake news sites" are connected to party.
The incident comes just days after Manchester City's Raheem Sterling was racially abused.
Exclusive: Unite general secretary warns against McCarthyism.
Corbyn's original explanation has been called into question.
Labour leader was due to address crowds on Friday.
Labour leader 'did not agree to requests' to help deal with anti-Semitism
It follows controversy over his handling of anti-Semitism in the Labour Party.
Emotions ran high following Parliament Square protest.
The five things you need to know about politics today