Prince Harry accuses Prince William of physical attack in book – By Malu Cursino & Sean Coughlan, royal correspondent

Prince Harry, wearing a distinctive necklace, alongside Meghan in South Africa, months before they stepped back from royal duties

Prince Harry's book has been seen on sale in a bookstore in Barcelona, Spain, before its official release date

Prince William and Prince Harry arrive at the Canadian National Vimy Memorial in Vimy, France on April 9, 2017.

Prince Harry's memoir sheds light on bust-ups among British royals By Michael Holden and Charlie Devereux

Britain's Prince Harry and Meghan, Duke and Duchess of Sussex, wave as they visit One World Trade Center in Manhattan, New York City, U.S