Marius Borg Hoiby could face years in prison if found guilty of serious charges against him

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

Police requested for Marius Borg Hoiby to remain in custody for four weeks due to risk of reoffending following his arrest on Monday. The son of Norway's crown princess is to go…