The Security Service of Ukraine (SBU) is recording the intensified activity of Russian intelligence groups on Ukrainian territory.
SBU Chief Vasyl Hrytsak said this at a briefing in Kyiv on August 18, an Ukrinform correspondent reports.
UkrInform: SBU says three Russian sabotage groups exposed in Ukraine
Ukraine's SBU security service chief Vasyl Hrytsak speaks to media during a press conference in Kyiv on June 6, 2016.
