It is reported by "STRANA.ua" with reference to the lawyers of the ex-president.
It is noted that, following interrogation, he was not given suspicion.
According to RIA Novosti, Poroshenko took part in two interrogations in two cases.
Earlier, the State Security Bureau announced Poroshenko’s reluctance to appear for interrogations to investigators.
On January 29, it was reported that Poroshenko was going to file 14 lawsuits against law enforcement and anti-corruption bodies in Ukraine.