Conservative MP Sir Gerald Howarth added that it had been "dignified".

BBC: Westminster service remembers Baroness Thatcher

The signatories include former Conservative leadership challenger David Davis, ex-ministers Tim Loughton, Sir Gerald Howarth and Sir Jim Paice, and the former Archbishop of Canterbury, Lord Carey of Clifton.

BBC: Same-sex marriage: 'No mandate', say MPs

Former Tory defence minister Sir Gerald Howarth said that the government had no mandate for such a "massive social and cultural change", which had not been mentioned in the 2010 Conservative manifesto.

BBC: Gay marriage: Party leaders hail vote

Labour MPs who voted for the war and who are now expressing severe doubts over the US request include such senior figures as Sir Gerald Kaufman and once-supportive backbenchers including Eric Illsley, Geraldine Smith and a host of others.

BBC: Analysis

As well as Conservatives who want Leveson, there are Liberal Democrat and Labour MPs who oppose statutory regulation in principle - Labour's Sir Gerald Kaufman, for example is an ex-Mirror journalist and is vehemently against any scintilla of statutory regulation.

BBC: Week ahead