Oil prices have risen on a lack of progress in diplomatic efforts to resolve the Middle East conflict, though the absence of major supply outages limits gains, Reuters reports.
Brent crude futures were up 34 cents, or 0.38 per cent, at $88.86 a barrel by 1202 GMT (5:02pm PKT) after hitting a session high of $89.68. US West Texas Intermediate crude futures have risen four cents or 0.05pc to $82.44 a barrel.
