https://royalcorrespondent.com/2026/05/18/queen-sonja-of-norway-cancels-official-program-due-to-heart-fibrillation/The Royal Correspondenten2026-05-18T20:01:26+00:00Queen Sonja of Norway Cancels Official Program Due to Heart FibrillationQueen Sonja of Norway, Royal Family of Norway, King Harald V of Norway, Scandinavian royalty, Heart Fibrillation, Royal Household of Norway, Rikshospitalet