Brent crude futures rose 1.3 percent to $115.36 a barrel, while WTI futures rose 1.22 percent to $101.12, Reuters reports. Prices continue to rise on concerns about Middle Eastern supplies following Yemen's Houthi claims of a missile attack on Saudi Arabia's largest refinery. The kingdom's authorities have not yet confirmed information about the attack on the plant with a capacity of 550,000 barrels per day.