Oil prices edged up on Tuesday, extending previous session gains, as markets contemplated potential supply disruption from Russia after Ukrainian drone attacks on its refineries as well as the prospect of a U.S. central bank interest rate decision.
Brent crude futures edged up 8 cents to $67.52 a barrel by 0632 GMT while U.S. West Texas Intermediate crude was at $63.41, up 11 cents. On Monday, Brent settled up 45 cents at $67.44 while WTI settled 61 cents higher at $63.30.
