The issue has exposed deep splits in the Labour Party, with eight frontbenchers quitting over Keir Starmer's stance.
The result came despite a major rebellion by Labour MPs who back an immediate end to the conflict.
Keir Starmer's party is tipped to win even more seats than Tony Blair did in 1997.
Imran Hussain last night became the first shadow minister to quit.
Shadow minister tells party leader his view on the “humanitarian catastrophe in Gaza differs substantially from the position you have adopted”.
Claire Coutinho was almost immediately contradicted by Rishi Sunak.
Analysis by the More in Common think-tank said the party "should still care deeply about the concerns of Muslims".
Nick Thomas-Symonds said the Covid Inquiry is proving to be "absolutely shocking".
The Labour leader had to be bundled into the back of a car.
The shift in position comes amid a growing frontbench rebellion.