Oil prices ease on surprise builds in US inventories

Oil prices eased on Thursday as unexpected builds in US crude and fuel inventories raised demand concerns, while investors stayed cautious, focusing on renewed Iran-US nuclear talks. Brent futures slipped 33 cents, or 0.5%, to $64.58 a barrel by 00:38 GMT, while US West Texas Intermediate crude dropped 32 cents, or 0.5%, to $61.25.