He stated this in an interview with Govorit Moskva (Moscow Speaking) radio station, Censor.NET reports, citing Lenta.ru.
"The odds [of her being released] are the same as him [Poroshenko] becoming the president of America,", Markin said, replying to a question.
In addition, he said that Kyiv did not contact Moscow regarding the release of Savchenko.
Earlier, President Poroshenko called Savchenko "a symbol of the struggle for Ukraine."
He gave instructions to find her a new lawyer who will ensure her defense.