Russia’s federal security service, the FSB, discovered and ceased the activity of the so-called ‘extremist group’, allegedly created by leaders of Crimean Tatar people Mustafa Dzhemilev and Refat Chubarov.
112.ua: Russia busts Crimean Tatar ‘extremist group’ in occupied peninsula

A woman holds a Crimean Tatar flag during a memorial ceremony on the Independence square in Kyiv on May 18, 2016 in commemoration of the 72nd anniversary of the deportation of the indigenous population of the Crimea by the Soviet Union.