Oil prices have risen in volatile trade after attacks on two ships reinforced worries about disruptions to Middle East supplies, and as talks to end the Iran war hit an impasse, Reuters reports.
Brent futures were up 17 cents, or 0.2 per cent, at $89.08 a barrel by 1055 GMT (3:55pm PKT), heading for a sixth day of gains. US West Texas Intermediate (WTI) crude rose 20 cents, or 0.2pc, to $83.40, heading for a fifth daily gain.