FOR AND AGAINST

GEOFF HOON: Former chief whip and Cabinet minister.

PATRICIA HEWITT: Former Health Secretary.

CHARLES CLARKE: Long-time critic of Mr Brown’s leadership.

FRANK FIELD: The leader of the 10p tax rebellion.

BARRY SHEERMAN: Senior backbencher who has already called publicly for the PM to be removed.

AGAINST A BALLOT

ED BALLS: Mr Brown’s closest Cabinet lieutenant.

ANDY BURNHAM: Health Secretary.

SHAUN WOODWARD: Northern Ireland Secretary.

LORD MANDELSON: Spokesman said the PM “continues to have the support of his colleagues”.

TONY LLOYD: The chairman of the Parliamentary Labour Party.

JOHN McDONNELL: Prominent left-winger.

JOHN McFALL: Described the ballot call as “a death wish”.

CHRIS BRYANT: Europe minister, who described the Hoon/Hewitt initiative as a “damp squib”.

SADIQ KHAN: Insisted Mr Brown was “the only person” for the job

DAVID BLUNKETT: Said a ballot was “not wanted... and not needed”.

MARGARET BECKETT: Former Foreign Secretary said Labour would be “completely mad” to think about removing Mr Brown.

GERALDINE SMITH: Dismissed Mr Brown’s internal party critics as “joke figures”.

JOHN MANN: Dismissed Mr Hoon’s involvement as “sour grapes”.