But ministers saw off the challenge by 422 votes to 98 - a majority of 324 - after the Tories voted with the government.

The rebels were:

Ms Diane Abbott (Hackney North & Stoke Newington)

John Austin (Erith & Thamesmead)

Colin Burgon (Elmet)

Martin Caton (Gower)

Michael Clapham (Barnsley West & Penistone)

Katy Clark (Ayrshire North and Arran)

David Clelland (Tyne Bridge)

Jeremy Corbyn (Islington North)

Jon Cruddas (Dagenham)

Ian Davidson (Glasgow South West)

Jim Devine (Livingston)

Jim Dobbin (Heywood & Middleton)

Frank Dobson (Holborn & St Pancras)

Mrs Gwyneth Dunwoody (Crewe & Nantwich)

Clive Efford (Eltham)

Paul Flynn (Newport West)

Dr Ian Gibson (Norwich North)

Roger Godsiff (Birmingham Sparkbrook & Small Heath)

John Grogan (Selby)

Dai Havard (Merthyr Tydfil & Rhymney)

David Heyes (Ashton under Lyne)

Kelvin Hopkins (Luton North)

Mrs Joan Humble (Blackpool North & Fleetwood)

Ms Glenda Jackson (Hampstead & Highgate)

Ms Helen Jones (Warrington North)

Peter Kilfoyle (Liverpool Walton)

John McDonnell (Hayes & Harlington)

Jim McGovern (Dundee West)

Michael Meacher (Oldham West & Royton)

George Mudie (Leeds East)

Gordon Prentice (Pendle)

Gwyn Prosser (Dover)

Ken Purchase (Wolverhampton North East)

Linda Riordan (Halifax)

Alan Simpson (Nottingham South)

Dennis Skinner (Bolsover)

Ms Geraldine Smith (Morecambe & Lunesdale)

John Smith (Vale of Glamorgan)

Sir Peter Soulsby (Leicester South)

Ian Stewart (Eccles)

David Taylor (Leicestershire North West)

Jon Trickett (Hemsworth)

Paul Truswell (Pudsey)

Dr Desmond Turner (Brighton Kemptown)

Robert Wareing (Liverpool West Derby)