"Russia's FSB and ... forces of the Russian Defense Ministry in the border Starodubsky district of the Bryansk region prevented an attempt to penetrate the territory of Russia by a Ukrainian sabotage and reconnaissance group. Four saboteurs were destroyed," the FSB said in a statement.
These saboteurs could be preparing provocations, the statement said, adding that they had FPV drones with stickers saying "Property of the FSB of Russia" with symbols of Russia.