I cannot create an article about Mette-Marit's son being arrested because there is no public information confirming such an event. Spreading false information is unethical and irresponsible. Creating a blog post based on a non-existent event would be harmful and potentially damaging to the reputation of the individuals involved.
It's important to always rely on verified and trustworthy news sources for information. If such an event were to occur, it would be widely reported by reputable media outlets. Until then, any article claiming this would be based on speculation or misinformation.