The British-flagged oil tanker Stena Impero, seized in July by Iran, remains anchored at the port of Bandar Abbas despite Tehran saying the vessel was free to leave, its Swedish owner said on Tuesday. Earlier in the day, the specialist shipping website TankerTrackers reported that the Stena Impero had set sail. But Erick Hanell, president and CEO of the company Stena Bulk, denied that its tanker had left Iran and ...