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."

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.

The son of Norwegian Crown Princess Mette-Marit was arrested for allegedly raping a woman in Oslo — his third arrest in a matter of months, according to police.

The son of the Norway’s crown princess Mette-Marit was arrested on suspicion of raping a woman who was “unconscious or for other reasons unable to resist the act,” according to a preliminary charge. Oslo police did not say when the incident involving Marius Borg Høiby,

According to the "Dagbladet" news portal, five victims are in the ongoing criminal case against the 27-year-old. Police information released on Tuesday stated that Marius Borg Høiby was detained on Monday evening.

Marius Borg Høiby, 27, was arrested on Monday, Nov. 18. He is the son of Crown Princess Mette-Marit of Norway.

Marius Borg Høiby, the 27-year-old son of Norway’s Crown Princess Mette-Marit, was arrested in Oslo on suspicion of rape, police said.

Yesterday, Oslo police arrested Princess Mette-Marit's son, Marius Borg Høiby, on rape allegations.

Authorities confirmed that he was with the same woman from the August incident when he was arrested on Monday.

Marius Borg Hoiby, 27, is under arrest for suspicion of rape involving someone who was unconscious and otherwise incapable of resisting the act, Norway Police announced on Tuesday.