King Charles’s and Queen Camilla’s potential royal tour of Australia has been cast in doubt following the monarch’s surprise cancer diagnosis, commentators have claimed. Buckingham Palace announced the King’s diagnosis on Monday and confirmed he will be stepping back from royal duties as he undergoes treatment. The Palace did not disclose what form of cancer the King has, however, did acknowledge it was unrelated to his prostate surgery in January. Consequently, King Charles’s plans to visit Australia in 2024 are now uncertain. Reports of an Australian royal tour first emerged in late 2023, wi…