The U.S. Navy has awarded contracts worth nearly $1.4 billion to buy four more Littoral Combat Ships from Lockheed Martin Corp and Australia's Austal Ltd, the U.
Rebels deny losing control of North Korean-flagged tanker; Government says tanker being taken to western port. Oil blockade has slashed vital government revenues.
U.S. crude stocks likely rose 2.2 mln barrels last week.
By Manash Goswami
Brent futures were steady on Tuesday and held above $108 a barrel as a worsening