Iran unrest sparks price volatility

Civil unrest in Iran has led to at least 21 deaths, and violent clashes between security forces and protesters that began in the northeastern city of Mashhad on 28 December have spread. Although the Iranian unrest initially focused on economic grievances, the religious establishment and security forces have subsequently been targeted by protesters. 

Iran’s supreme leader Ali Khamenei, who despite being a cleric has de facto control of the army, accused the country’s enemies of causing the troubles, alleging that they had used “cash, weapons, politics...