SINGAPORE: Oil prices extended gains on Friday, underpinned by supply concerns following drone attacks on northern Iraqi oilfields and tight market fundamentals amid healthy summer demand.
Brent crude futures climbed 29 cents, or 0.40%, to $69.81 a barrel as of 0451 GMT, U.S. West Texas Intermediate crude futures advanced 27 cents, or 0.42%, to $67.81 a barrel.
