Four employees of the Bobov Dol Thermal Power Plant have been detained during a police operation conducted by officers from the Bobov Dol and Kyustendil regional directorates. Authorities confirmed that documents, lists of names, and internal proposals for staff rewards were seized during the search of an administrative office, according to BTA and regional police spokesperson Katya Tabachka. During the inspection, officers also discovered and confiscated five cylindrical packages of explosives,