Somali pirates have hijacked a Saudi-owned ship in the Gulf of Aden with 13 crew members on board. <br/><br/>The regional maritime official Andrew Mwangura today said that the ship was hijacked on Monday but the confirmation about it was received only today. <br/><br/>He said the MT Al Nisr Al Saudi vessel is now in the Somali coast. He said of the crew members aboard the ship, 12 are Sri Lankans and one Greek master. He said the owner and manager of the ship are all Saudis.<br/>