This was announced by the press secretary of the President of Russia Dmitry Peskov.

"I cannot confirm this fact to you. No exchanges of congratulatory messages, which are provided for in such national holidays, have taken place. They do not take place, in fact, and now, unfortunately", - Peskov said.

Peskov was also asked to confirm the authenticity of a previously published telephone conversation between Poroshenko and Putin, which allegedly took place on April 30, 2015.

"First. We never comment on or disclose the details of our president's international talks with foreign counterparts, except for the information we provide in the press service. Second. As for the published recording, I do not know that such a conversation could have place, and also I can't tell anything about authenticity of this record", - Peskov told.

What is known

• At a press conference in Kyiv, Verkhovna Rada Deputy Andriy Derkach presented recordings of telephone conversations with voices similar to those of Putin and Poroshenko.