Oil prices rose early Friday after the U.S. said its naval blockade of Iranian ports could continue "indefinitely".

PERTH, Aug 14 : Oil prices inched higher on Friday after the U.S. threatened to maintain a naval blockade of Iran indefinitely, reviving crude supply concerns, after prices fell…

Aug 14 : Oil prices rose on Friday and were on track for weekly gains after the United States threatened an indefinite naval blockade of Iran, raising concerns about disruptions…