Marius Borg Høiby, who goes on trial on Tuesday, has been remanded in custody for four weeks after new allegations.

Marius Borg Høiby, the crown prince's blond stepson, is accused of 38 charges in a case that has attracted global interest.

Marius Borg Høiby arrested on suspicion of assault, making threats with knife and violating restraining order, police say