The son of Norway's crown princess is behind bars as police probe fresh allegations of sexual assault against him, following third arrest in a matter of months.

A SHOCKING video of Marius Borg Hoiby has emerged that appears to show the Norwegian royal acting out how he would allegedly slap his ex. Hoiby, 27, is currently being held in jail as police

Marius Borg Hoiby, 27, was arrested in Oslo late on Monday last week on a preliminary rape charge - but police are now investigating a new alleged sexual offence

THE son of Norway’s crown princess had been arrested on suspicion of rape. Marius Borg Hoiby, 27, was detained by police on Monday evening in the latest scandal to rock the royal family.

Marius Borg Hoiby, the stepson of Crown Prince Haakon of Norway, was arrested on Monday. His lawyer denied the accusation and said his client was cooperating with the authorities.

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.

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

The eldest son of Norway's Crown Princess Mette-Marit is to be released from custody after his arrest last week on rape allegations.

Princess Mette Marit's son Marius Borg Høiby is set to be released from police custody following rape allegations last week.

A judge requested that Marius Borg Høiby - who is Crown Princess Mette-Marit of Norway's son - be taken into custody for a week last Wednesday, following his arrest on 18th November.