"There is still no good news ... the demands were made in secret to Japan's government," Andrew Mwangura of the East African Seafarers' Assistance Programme told Reuters, adding he had no further details.
Pirates from
The Panamanian-flagged Golden Nori was carrying benzene when it was attacked about eight nautical miles offshore on October 28.
Giving a first detailed breakdown of its crew, Mwangura said there were 12 sailors from
The U.S. Navy said one of its warships opened fire at the attackers on October 30, sinking the small speedboats the pirates had used to raid the tanker out at sea.
Earlier this week, Somali pirates released two South Korean ships and a Taiwanese vessel they captured in May. Along with the Golden Nori, they are still believed to be holding a cargo ship registered in
Piracy has been rife off