(CNN)Five drones were reportedly seen flying over sensitive and well-known areas of Paris overnight -- sightings that authorities are investigating, the city prosecutor's office said Tuesday. The unmanned aerial vehicles were spotted over the Eiffel Tower, the Bastille, Place de la Concorde, Les Invalides and the U.S. Embassy, according to Agnes Thibault-Lecuivre, a spokeswoman for the Paris prosecutor's office. The drones were seen between midnight and 6 a.m. The French aviation police are searching for the operators of the drones.
Drones are seen overnight in Paris . They hovered over Paris landmarks like the Eiffel Tower, the Bastille and the U.S. Embassy .