بسبب هذه التغريدة تعرض الفنان خالد دلوان الى إعتداء جسدي من قبل ثلاثة طلاب إماراتيين في اوروبا  
Based on the content, which of these categories does the news article belong to: spiritual, human-rights-press-freedom, business-and-economy, sports, science-and-technology, education, environment, health, art-and-entertainment, or politics? Return only the label without any explanation, justification or additional text.