Saudi Arabia has closed its Ras Tanura refinery following an attack by Iranian drones. According to Jin10, the incident has raised concerns over regional security and the stability of oil supply. The refinery, one of the largest in the world, plays a crucial role in global oil markets. The attack underscores ongoing geopolitical tensions in the Middle East, which could impact oil prices and market dynamics. Authorities are assessing the situation and potential responses to ensure the safety and security of critical infrastructure.