The case on the so called "Boiko oil rigs" (the matter concerns the purchase of drilling rigs for oil and gas extraction on the Black Sea shelf at an overestimated price, in which co-chairman of the Opposition Bloc faction Yuriy Boiko is allegedly involved) is ongoing, the investigation in relation to the incumbent people's deputy under the testimony of Oleksandr Katsuba, the former deputy head of Naftogaz Ukrainy, who concluded a deal with the investigators, is underway, Prosecutor General Yuriy Lutsenko has said.

"We are advancing in the high profile case on the so called "Boiko rigs." Oleksandr Katsuba, the son of ex-people's deputy Serhiy Katsuba, has spent a long time in custody, behind the bars, and after all he made a deal with the investigators. In this rather voluminous text of the agreement, he legally prescribed the facts known to him about the leadership of the criminal group that plundered state funds on an especially large scale during the purchase of oil drilling rigs," he said in an interview with Channel Five.

According to Lutsenko, now the investigation is proceeding in accordance with the testimony of Oleksandr Katsuba in relation to the "incumbent people's deputy."