Richard Burgon must make a "total apology" for saying "Zionism is the enemy of peace" before he will be a "credible candidate" to be Labour's deputy leader, Dame Louise Ellman has said.
Mr Burgon, the shadow justice secretary and longtime ally of Jeremy Corbyn, announced he would stand to be the party's deputy leader on Tuesday.
Mr Burgon previously maintained he had not said "Zionism is the enemy of peace" but when video footage surfaced of him saying it in a speech in 2014, he claimed he "did not recall" saying it but "it is now clear that I did and I regret doing so".
The video showed he had said: "The enemy of the Palestinian people are Zionists and Zionism is the enemy of the peace and the enemy of the Palestinian people.