Tory group: 'Marriage should be open to all'

The Conservative group that backs gay marriage is supported by Tories including Boris Johnson, Michael Gove, Transport Secretary Patrick McLoughlin, who is Catholic, Foreign Office minister Alistair Burt, an evangelical Christian, and Scottish Conservatives leader Ruth Davidson.

London mayor Boris Johnson supports gay marriage. Credit: John Stillwell/PA Wire

In a letter to The Sunday Telegraph announcing the formation of the group, the 19 declared: "Marriage should be open to all, regardless of sexuality.

"We recognise that civil partnerships were an important step forward in giving legal recognition to same sex couples.

"But civil partnerships are not marriages, which express a particular and universally understood commitment."