The capital of France is in high Security alert once more. Tuesday early morning, for the second consecutive night, drones were seen in the city skies near sensitive sites such as the American Embassy. The French police reported that on the second night, drones were seen five times between 22pm and 1am, local time, near the Place de la Concorde, not far from the American Embassy, ​​along the river Seine, the Eiffel Tower and some of the gates of Paris.

The areas are pretty much the same where the remote controlled devices had flown the day before, from midnight until 6am.

The first drones were seen a day after France announced a military reinforcement within the international coalition, that has bombed several positions of the Islamic State in Iraq.

According to a local police source, an investigation is being done, in order to find the responsables for this drone flights. The French law prohibits the unauthorized overflying in public spaces, and those who do it risk a fine of up to 75,000 euros and a year in prison. Paris is under extensive security measures after the terrible terrorist attacks in January, against the newspaper Charlie Hebdo satirical and a kosher supermarket products, were more than 17 innocent people were killed. Late January, the palace of the Elysee had been flown by a drone, and had also been recorded flight of these devices elsewhere, some of them near nuclear facilities.

One of the most disturbing cases happened in late January, when small aircrafts were detected flying over the area were four nuclear submarines are anchored, in Brest, in an area which, theoretically, is the most supervised in Paris. In November, three people were detained for questioning, after they have been seen to fly a drone near the nuclear power plant in Belleville-sur-Loire, in the center of the country, revealing themselves to be just "young people passionate about model airplanes," according to Le Parisien.

Among the various episodes of this kind, this was the only one where the drone driver were identified, according to the French press.

Security forces and experts recognize that the novelty of such events requires new approaches and more means of action. "The police doesn't know what to do, their lost" noted Christophe Naudin, a security air expert. "We must find, by 2020, an adequate response, before malicious people to find a criminal application for the drones," he added in an interview with Le Figaro.