Prices had settled nearly $3 higher on Friday after Houthi attacks in ‌Saudi Arabia stoked energy supply concerns Oil prices fell on Monday ​after surging to near six-month ​highs late last week, although ‌ongoing attacks on Saudi Arabia kept supply concerns in focus. US crude futures were down $1.60, or 1.55%, at $101.67 per barrel by 0018 GMT. Brent crude futures were down $1.56 or 1.34% at $115.16.