Russia has refused to hold the detainees themselves pirates.

SyuzhetyVoennaya operation against Somali piratov14.05.2009Piratov discouraged from Egyptian vertoletPiraty South Korean ship, which will be captured by the Russian navy will be transferred to a third party, Interfax reports with reference to the First Deputy Defense Minister General-Colonel Alexander Kolmakova.
He noted that these issues will be addressed in conjunction with the Ministry of Foreign Affairs, and the pirates will be given on the basis of existing legislation. "While the earlier you know how you came to them," - added Kolmakov not explaining what he meant.
The question of the fate of the pirates who are caught up in the hands of Russian sailors, came after the end of April, a large anti-ship Navy Russia "Admiral Panteleev" seized the ship off the coast of Somalia with 29 pirates and weapons.
According to media reports, Russia will have to try the pirates if they can not be handed over to the authorities of Somalia. This experience in the Navy Russia has been: in February, authorities in Yemen have been handed over to 10 pirates held the crew of the heavy nuclear missile cruiser "Peter the Great."
As stated zamgenprokurora Alexander Zvyagintsev, the pirates may be subject to criminal liability under Russian law, as the Prosecutor General's Office has worked for this question.
In addition, Russian President Dmitry Medvedev in early May, instructed the Attorney-General Yuri Chaika to develop jointly with foreign law enforcement mechanism to prosecuting marine pirates.