Somali pirates have released a chemical tanker and its 28 North Korean crew, maritime officials say.
The Singapore-operated MV Theresa VIII was seized in November in the south Somali Basin north of the Seychelles.
Andrew Mwangura, of the East African Seafarers Assistance Programme, said a ransom of about $3.5m (£2.3m) had been paid, Reuters news agency reported.
Pirates have made the sea lanes off the Horn of Africa and the Gulf of Aden among the most dangerous in the world.