Oil futures hit a six-week high on Thursday as a storm built in the Gulf of Mexico, threatening crude output, while an incident with a British tanker in the Middle East highlighted ongoing tensions in the region.
U.S. West Texas Intermediate (WTI) crude futures were up 34 cents, or 0.6%, at $60.77 a barrel by 0337 GMT, after earlier touching the highest since May 23 at $60.83. They gained 4.5% in the previous session.
Brent crude futures reversed early losses and were up 30 cents, or 0.5%, at $67.31 a barrel, after rising to as high as $67.38, the highest since May 30. They ended Wednesday up 4.4%