William and Harry view tributes to their mother at the gates of Kensington Palace on the eve of the anniversary of her death in tragic echo of scenes 20 years ago when they stood there as boys

The Duke of Cambridge and Prince Harry have paid tribute to their late mother Diana, Princess of Wales with a poignant visit to her memorial garden at Kensington Palace on the eve of the 20th anniversary of her death. Following their tour of the garden, the royal brothers took an impromptu walkabout around the front of the palace, speaking to well-wishers and inspecting the tributes (left and inset), as they did 20 years ago outside