Prince William and Kate Middleton send condolences to Orlando, William to be interviewed for gay magazine

LONDON, June 14 (UPI) -- The Duke and Duchess of Cambridge stopped by the U.S. Embassy in London Tuesday to sign a book of condolences for the victims of Sunday's mass shooting in an Orlando nightclub that left 49 victims dead and 53 wounded.

Prince William and Kate Middleton spoke briefly to U.S. Ambassador Matthew Brazon, then both took turns writing in the book, Vanity Fair reported.

The U.S. Embassy tweeted about their visit.

William wrote: "With our deepest condolences and with our thoughts and prayers to all those affected." Kate signed her name under her husband's message, next to his signature. The couple also met with the embassy staff who had worked before on L.G.B.T. issues.

Omar Mateen, a 29-year-old security guard from Port St. Lucie, Florida was shot dead at the Pulse nightclub, but not until he had mowed down dozens with an assault rifle. During the seige, he called 911 to pledge allegiance to the Islamic State.

It was the worst mass shooting in U.S. history.

Prince William also told an embassy staff member he will be interviewed in the next issue of the gay magazine Attitude, breaking one of the last royal taboos.

In the interview, the Duke of Cambridge is expected to speak out against the bullying of L.G.B.T. youth. He has campaigned against bullying for years.

No other details are known, but the magazine's managing director Mike Buckley said "We will have some exciting announcements to share soon."

On the official Clarence House Twitter account, Prince Charles and the Duchess of Cornwall signed the virtual condolence book for the victims, writing, "Our hearts go out to all of those who have lost loved ones and to those who have been injured in this unspeakably barbaric attack. You are in our special prayers."

US Weekly reported that Prince Harry was unable to join William and Kate, but had spoken at length to people in Orlando privately because he had spent a good amount of time there recently for the Invictus Games.