Oil prices are on track for a second straight weekly gain after the United States threatened to impose the toughest sanctions in history, with no end in sight for disruptions to Middle East oil flows, Reuters reports.
Brent crude futures have risen by 20 cents, or 0.21 per cent, to $93.98 a barrel as of 1307 GMT (6:07pm PKT). US West Texas Intermediate crude is up 7 cents, or 0.08pc, at $86.90.




























