Mr Corbyn said a report condemning Labour’s handling of antisemitism complaints “overstated” how many there were.
Former Labour leader Jeremy Corbyn has been suspended from the party and has had the whip removed.
A party spokesman said it was “in light of his comments made today and his failure to retract them subsequently”.
Analysis: Keir Starmer’s suspension of Jeremy Corbyn echoes Kinnock’s purge of Militant Tendency
The Islington North MP, who stepped down as party leader after last December’s general election defeat, then gave an interview to Sky News in which he doubled down on his stance, insisting: “I’m not part of the problem.”
Mr Corbyn also said he would not quit Labour, adding that he is “proud to be a member of the Labour Party”, which he joined when he was 16, and said: “I’ve fought racism all my life, and I’ll fight racism for the rest of my life.”