The head of the Organization of Ukrainian Nationalists (OUN) Bohdan Chervak wrote on Facebook, Censor.NET reports.
"Undoubtedly, it is a provocation not only against the OUN and Olena Teliha, but against Ukraine and Ukrainian people,'' Chervak wrote.
''The police must find the perpetrators. Vandals should be punished,'' he added.
Son of ATO fighter Serhii Oliinyk, who was stabbed in Kyiv last month, gave concert in memory of his father. PHOTOS+VIDEO(0)