The son of Norway's crown princess appeared in court on Wednesday to challenge a police request to place him in preventive detention while they investigate an accusation of rape made against him. Police on Monday detained Marius Borg Hoiby,

Marius Borg Hoiby has no royal title or duties, but as the stepson of the heir to the throne, his arrest has cast a cloud over Norway’s popular royal family.

Police in Norway have arrested the 27-year-old son of Crown Princess Mette-Marit on suspicion of rape, saying the alleged victim was "unable to resist the act."