A local resident was detained in Crimea, who was transferring data on military facilities on the peninsula to the Security Service of Ukraine (SBU), the FSB Public Relations Center of Russia reported.
"It has been established that a resident of Simferopol was involved in confidential cooperation by the Security Service of Ukraine and, on the instructions of the curator, collected and transmitted to the Ukrainian side through a foreign Internet messenger data on military facilities of the Armed Forces of the Russian Federation on the territory of the peninsula," the FSB said.