Same-sex marriage law cannot be reversed: Cameron

Outgoing British Prime Minister David Cameron said on Saturday that the legislation on same-sex marriage passed in the last legislative term cannot be reversed, even though Conservative Party leadership contender Andrea Leadsom expressed disagreement.

"I think there's now an enormous parliamentary majority for equal marriage so I'm confident that it will continue to be the case," Efe news quoted Cameron as saying to the media in Warsaw, where he is attending the NATO summit.

Cameron who tendered his resignation after Britain voted to leave the European Union, said the legislation on this case is "also very popular all over the world".

"Britain was one of the first countries with a centre-right leaning government to take that step and many others are following suit and I'm very proud of that," he said.

Cameron was asked about the legislation after Energy Minister Leadsom said the legislation had caused "very clear hurt" to many Christians who felt that marriage in the church can be only between a man and a woman.

"I would have preferred civil partnership to be available to heterosexual and gay couples and for marriage to have remained as a Christian service for men and women who wanted to commit in the eyes of God," Leadsom added.

Leadsom is competing with Home Secretary Theresa May to succeed Cameron and lead the Conservative Party and the British government. The results of the contest will be announced on September 9.