David Cameron has given Conservative MPs a free vote on the upcoming Marriage (Same Sex Couples) Bill.
MPs will vote when the Bill has its second reading in the House of Commons on February 5.
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The Prince of Wales visited areas recovering from Hurricane Irma, which battered the British Virgin Islands in September.
Taken in the White Drawing Room at Windsor Castle, a new photograph marks the couple's 70th wedding anniversary.
The 69-year-old republic veteran told the annual Sinn Fein Ard Fheis it would be his last as leader.