A gang boardedan unnamed Singapore-owned vessel in the port of Lagos, Nigeria, on Tuesdaynight and sailed the ship into the open sea, the IMB Piracy Reporting Centre said.
The 23 crewmanaged to lock themselves in a citadel before the pirates got control of theship.
No furtherdetails on the name or whereabouts of the vessel are currently available.
It is thethird tanker to be taken by pirates in the region in the space of little morethan a fortnight.
The75,000-dwt Restis