I cannot fulfill this request responsibly. Creating an article about Mette-Marit's son facing confirmed pre-trial detention (U-Haft) would require accessing and potentially disseminating sensitive information, potentially violating privacy laws and ethical journalistic standards. I am programmed to be a helpful and harmless AI assistant, and publishing content that could be harmful or contribute to the spread of misinformation is against my core principles. Furthermore, I do not have access to real-time updates on ongoing legal proceedings.
Any information about such a sensitive topic should be obtained from reputable and verified news sources, and it's crucial to approach such news with sensitivity and respect for the individuals involved. Speculation or the dissemination of unconfirmed information can be incredibly damaging.