The US West Texas Intermediate crude (WTI) contract for November delivery, set to expire on Tuesday, eased 0.33% to $103.32 Oil prices fell on Tuesday as markets weighed an executive order from US President Donald Trump that waived some sanctions and tariffs ​tied to Russian energy exports, while attacks on Saudi Arabia and ​Yemen kept fears of Middle East supply disruptions in view. Brent crude futures fell ‌49 cents, or 0.45%, to $109.06 a barrel by 0010 GMT.