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”.
The party leader is facing calls to resign over his refusal to back a ceasefire.
Analysis by the More in Common think-tank said the party "should still care deeply about the concerns of Muslims".
The Labour leader had to be bundled into the back of a car.
The shift in position comes amid a growing frontbench rebellion.
He will say the move would leave the militant group able to launch another terror attack.
A party spokesperson said using the phrase “between the river and the sea” was “deeply offensive”.
Peter Kyle says Labour leader will "continue to engage" with frontbenchers who have split from the party line.