Pirates seized an oil tanker off the coast of Oman on Wednesday. It was bound for the United States carrying 146 million euros worth of crude oil and 25 crew.
Greek shipping company Enesel said it had lost contact with the Irene SL earlier on Wednesday after it was attacked by armed men. Their identity is not known.
It is the major second hijacking in two days. Five pirates opened fire on and stormed an Italian oil tanker near Somalia on Tuesday.
Sixty-seven ships have been seized off the coast of the east African country over the past 12 months, according to the UN’s International Maritime Organisation
The Chatham House think-tank estimates piracy costs the global economy between five billion and 8.8 billion euros a year.