A fuel transport ship anchored at a Jeddah terminal was attacked by an explosive-laden boat, after shipping firm Hafnia said that one of its oil tankers, the BW Rhine, had been hit by an unidentified "external source", the Saudi Arabian government has announced. A Saudi energy ministry spokesman, in a statement carried on state media, did not mention the name of the vessel or identify who was behind the attack. Hafnia said there was an explosion and a fire while the BW Rhine was discharging at Jeddah port. The ship's crew put out the fire and no-one was injured, it…