The surprise attack on Israel by the Palestinian Islamist group Hamas at the weekend marked the most significant escalation between the two sides in decades. It has already killed more than 1,000 people and raised fears that a potential broadening of the conflict could draw in Iran and lead to supply shocks. Brent and WTI rose more than four percent Monday in early Asian business. “The violence in the Middle East is a clear risk to oil markets, with disruptions
