West Texas Intermediate crude for November delivery rose 0.46 dollars, or 0.51%, to 89.90 dollars a barrel at 10:20 p.m. Thailand time, amid concerns that Middle East shipping and supply could be disrupted. Brent crude for December delivery rose 1.31 dollars, or 1.30%, to 101.89 dollars a barrel. The main drag on sentiment came as Yemen's Iran-backed Houthi group launched attacks on Saudi Arabia, with Saudi aviation authorities saying airports in Jizan and Najran were targeted twice, as the conflict between the Houthis and Saudi Arabia intensifies. At the same time, investors are once again worried about oil supply problems after Iran stepped up attacks on tankers passing through the Strait of Hormuz, which could directly affect the still-fragile recovery of oil exports through this key route.
Houthi attacks on Saudi Arabia and Iran's tanker attacks in the Strait of Hormuz threaten oil supply routes, pushing Brent crude higher.
Houthi attacks on Saudi Arabia and Iran's strikes on tankers in the Strait of Hormuz raise Middle East supply-disruption fears, lifting WTI crude.
