By Jessica Gibb & Scarlett O’Toole Prince Harry has revealed his plans to return to the UK and one royal expert believes it could happen sooner than fans think. The Duke of Sussex made a brief return to London last month after his father King Charles was diagnosed with cancer. Harry then gave a rare interview during which he announced he will be returning to the UK again, but he didn’t provide any exact dates. Royal author Tom Quinn suggested Harry’s return could be “fairly soon”. Speaking exclusively to The Mirror, Tom said Harry will want to show the world “he is a caring member of the Royal…