"The SBU has collected all the evidence and testimony regarding the fact that Russian president's aide Surkov was in Kyiv (at the end of February 2014 - ed.), lived at one of the SBU places ... He personally advised traitor and perpetrator Yakymenko (former head of the SBU), who is now wanted and should be arrested. After Yakymenko's arrest and questioning, in my opinion, it is necessary to go for questioning this man and thus obtain the necessary evidence and testimony," Nalyvaichenko said.
He also recalled that the General of the Security Service who accompanied Surkov in Ukraine, is currently arrested and is being interrogated by the Prosecutor's office.
Nalyvaichenko said that there was no formal diplomatic approval for the official stay of the Russian official in the territory of Ukraine was not.
In addition, he noted that Surkov has been implicated in the planning of provocations in Odesa on the eve of the anniversary of the tragic events in the Trade Unions Building.
"We have convincing evidence that the activities of the separatist cell were consulted by this Russian citizen," the head of the SBU concluded.