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.

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

Marit is to be released from custody after his arrest last week on rape allegations, Norwegian broadcaster NRK reported.At the same time, Oslo police began an investigation into a new alleged sexual offence for which Marius Borg Hoiby has not been charged,

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

Marius Borg Høiby, the eldest son of Norway’s Crown Princess Mette-Marit, has been released after his arrest last week on rape allegations, according to his lawyer.

He was taken into custody on Monday in Oslo on a preliminary charge of having sexual intercourse with someone unconscious or unable to resist the act.

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."

The stepson of Norwegian Crown Princess Mette-Marit is set to be released from custody after being arrested on rape charges last week. Marius Borg Høiby, Mette-Marit’s eldest stepson born before her marriage to the heir apparent to the Norwegian throne,

Marit's son, Marius Borg Høiby, has been released from police custody after more than a week, amidst ongoing investigations into multiple allegations. Despite his release, new charges loom as police continue to scrutinize his past actions.