The son of Norway’s crown princess broke down on Wednesday as he denied that videos on his phone showed acts of rape, during the first day of his testimony in his trial for rape and domestic violence.

The son of Norway's crown princess has begun giving evidence at his trial for rape and more than 30 other alleged offences.

Høiby, 29, pleaded guilty to charges including sexually offensive behaviour, a serious drug offence, violation of a restraining order and several driving-related offences.