Oil prices rose more than 5 percent on Wednesday after Iran’s Revolutionary Guards threatened to attack several energy facilities across the Middle East in retaliation, heightening the risk of further disruptions to energy supplies in the region. Brent futures rose USD5.26, or 5 percent to USD108.66 a barrel at 1105 a.m. ET (1505 GMT) on Wednesday, having risen to as high as USD109.95 earlier i