The Security Service of Ukraine (SBU) has banned Russian performing artists Nadezhda Babkina, Leonid Yarmolnik from entering Ukraine. SBU Speaker Olena Hitlianska announced this on Facebook, Ukrainian News Agency reports. Also, satirist Mikhail Zadornov and actress Irina Alferova were banned from entering Ukraine. SBU appealed to the Ministry of Culture for inclusion them in the lists of persons who threaten the national security of Ukraine. As Ukrainian News Agency earlier reported, in summer 2015, the SBU banned Russian film director Nikita Mikhalkov from entering Ukraine.