Marius Borg Høiby, the son of Norwegian Crown Princess Mette-Marit, has been arrested on suspicion of rape involving a woman in her twenties. The police began the investigation based on information from a separate ongoing case. Høiby faces multiple allegations, including abuse of ex-girlfriends and threats to a man. He is currently in custody in Oslo while denying the charges. The royal family has not commented on the matter.