مواجهات في نجران تؤدي الى اصابة ثلاثة من رجال الامن ومقتل مواطن قال أمن وآمان قال
Identify the main topic of the news article and categorize it as either 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.