Some 22 Conservative MPs back Labour amendment supporting contaminated blood victims.
New research reveals that the coalition which handed Boris Johnson a landslide victory in 2019 has now "imploded".
The Labour leader said the former prime minister had "sought to drag Britain out of its stupor" as he made a pitch for Tory voters.
Conservative MPs already "resigned to defeat" at the next election following "toddler tantrum" over the Elgin Marbles.
He also played a key role in the campaign to stop Scottish independence.
Keir Starmer is heading for a huge 210-seat majority.
It's yet another blow for Rishi Sunak's hopes of a political fightback.
He chose Beethoven's 'Ode To Joy' in an interview with Classic FM.
A torrid week for Rishi Sunak and Keir Starmer may have brought forward their date with destiny.
Dozens of his MPs backed calls for a ceasefire and 10 frontbenchers quit their jobs.