Oil prices leaped 4% on Friday, as oil tankers diverted course from the Red Sea following overnight air and sea strikes by the United States and Britain on Houthi targets in Yemen after attacks on shipping by the Iran-backed group.
Witnesses in Yemen confirmed explosions throughout the country.
Brent crude futures were up $3.16, or 4.1%, at $80.57 a barrel at 1124 GMT, while U.S. West Texas Intermediate crude futures climbed $3.05, or 4.2%, to $75.07.
Both benchmarks were on course for a second straight weekly rise.
