Royal Author Robert Hardman says King Charles could be at risk if he was to continue public-facing duties, as the monarch begins treatment for cancer. In a statement released on Monday evening, Buckingham Palace confirmed that the King has been diagnosed with “a form of cancer” and will postpone his duties. This follows the King’s recent hospitalisation for a “benign enlarged prostate”, where he underwent a “corrective procedure”. Queen Camilla was by his side as he left The London Clinic last week having previously told concerned onlookers that the King was “fine” and “looking forward to gett…