"During the operational game [FSB's counterintelligence operations], an attempt by the Security Service of Ukraine [SBU] to commit a series of sabotage and terrorist attacks against officials of the military-civil administration of the Kherson Region and the Crimean government was thwarted. Russian counterintelligence forces have identified an SBU employee, who was a recruiter and leader of nationalist sources," the FSB said in a statement.
It also said that the FSB obtained the data on an operation conducted by foreign security services, apprehended the perpetrators and their accomplices, seized the means of committing crimes, and detected their communication channels and ways of financing.