Osman Kaymak, governor of the northern Turkish province of Samsun, told Anadolu that seven others were rescued after the Volgo Balt 214 vessel encountered trouble 80 nautical miles from Samsun and had sent a distress call at 8:10 am (0510 GMT).
The crew members found alive were taken to hospital.
The governor's office had initially said there were a total of 13 crew members, including nine Ukrainians, two Azerbaijanis and two Russians.
He also said four Ukrainian citizens were among the dead.
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