In France, a worker on the Rafale fighter jets assembly line was detained at a Dassault plant on suspicion of espionage.
According to RTL, the man was seen wearing glasses capable of recording video.
The arrest took place at the Dassault facility in the city of Cergy.
The suspicions against the 19-year-old man, who was born in France, are considered potentially very serious.
He is suspected of undermining the fundamental interests of the nation, namely espionage on behalf of a foreign state.
The man was initially questioned at the plant before being taken to a police station for further investigation.
Investigators are seeking to establish the precise circumstances of the incident, including whether the employee actually filmed the Rafale production process and whether he intended to pass the material to third parties.
