Deputy Secretary of the National Security and Defense Council of Ukraine Viktoria Siumar has said that no Ukrainian servicemen have switched sides to the self-proclaimed Crimean government and laid down the arms.

"Today we are facing absolutely massive amount of misinformation from Russian media that Ukrainian servicemen are laying down the arms," she said a briefing on Sunday evening.

Besides, the deputy secretary said: "There have been no cases of transfers of Ukrainian military men to the subordination of self-proclaimed Crimean authorities, except for rear admiral Berezovsky, that we can confirm."

Siumar said that acting Ukrainian President Oleksandr Turchynov has dismissed Ukraine's recently appointed Navy commander, Rear Admiral Denis Berezovsky, who took the oath of allegiance to "Crimean people", and appointed Serhiy Haiduk as acting commander of the Ukrainian Navy.

She said that Navy officers refused to fulfill the orders of Berezovsky, and still obey the Defense Ministry of Ukraine.