Crude oil prices have gained more than 4percent on Friday after US and UK strike Houthi targets in Yemen

MIDDLE EAST — Crude oil prices have gained more than 4% on Friday after the US and UK carried out a series of strikes on Houthi targets in Yemen in response to the latter’s attacks on ships traversing the Red Sea. Global benchmark Brent futures had risen by 4.08% to trade at $80.52 per barrel as of around 11:30 GMT. The US benchmark WTI was up 4.17% to about $75 per barrel. Both benchmarks were adding to gains of nearly 1% during the previous trading session, putting them on track for a second straight weekly rise... www.rt.com