By Harry Rutter Prince Harry is continuing to keep a low public profile, attending an event in honour of his late mother, Princess Diana. The Duke of Sussex made an under-the-radar appearance at a charity event for Sentebale, an organisation supporting young people in Southern Africa. He attended the panel on Thursday night in Miami Beach without his wife Meghan Markle. News of Harry’s arrival wasn’t shared publicly until the next day, on Friday afternoon. Speaking at the get-together, the Duke said: “Africa’s in my heart, Africa’s in my soul. I first went there when I was 12… 13 years old, …