Crude oil futures rise as the US signals stronger economic pressure and a potential naval blockade on Iran.

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…

NEW DELHI, Aug 14 : Oil prices inched up on Friday after the United States threatened an indefinite naval blockade of Iran, reviving concerns about supply of crude after the…