Walking behind mother’s coffin ‘one of the hardest things I’ve done’, Prince William says

Prince William (left) and Prince Harry, the sons of Diana, Princess of Wales, bow their heads as their mother's coffin is taken out of Westminster Abbey following her funeral service (Adam Butler/PA Wire)
Prince William (left) and Prince Harry, the sons of Diana, Princess of Wales, bow their heads as their mother's coffin is taken out of Westminster Abbey following her funeral service (Adam Butler/PA Wire)