The Bulgarian citizen detained in Greece on suspicion of espionage after allegedly filming a military-related site with a drone has been released pending trial, according to reporting by Kathimerini cited by BTA. Authorities in Thessaloniki had initially arrested the 35-year-old man on Saturday after receiving a tip-off that he was operating a drone in the area without the required authorization. Further reading: Greece +on+ Espionage +Suspicion+After+ Drone +Incident+in+Thessaloniki" target="_