THE Duke of Sussex is ending his four-day trip to the UK by paying tribute to his mother Princess Diana. Harry arrived at the bash in London today just hours after meeting King Charles for their first face-to-face chat in 19 months. The Duke saw his father in Clarence House, London, after the King flew from Balmoral between three official audiences. And today, the King's youngest son will round off his four-day visit at an engagement in the capital celebrating the Diana Award. Prince William was not at the tea party as he was travelling back from an engagement in...