Police play cat and mouse with hundreds of migrants stuck in Italian border town of Ventimiglia who are desperate to get to northern Europe.
Following a similar programme in The Netherlands, the French army has successfully trained Golden eagles to bring down small drones after multiple security alerts involving flights of the radio controlled miniature aircraft over sensitive locations, including the Elysée Palace and nuclear power stations.
French authorities have reportedly trained for the possibility of drones being used to disperse chemical or biological weapons over crowds.
Paris and London to spend £1.5bn developing next generation of drones, as summit in France discusses security and Calais migrant crisis.
Officers chased one drone to the east of the French capital where several men were spotted recovering the aircraft before fleeing in a car.
The arrests, which are not thought to be linked to the night-time flights over Paris, came after police saw drone flying in the west of the city.
At least five drones were again seen over centre of French capital as police launched investigation into flights over 'prohibited zones'.
Special investigation team set up after the unmanned aircraft flew over the US Embassy, the Eiffel Tower and other landmarks in French capital.
Winemakers in Burgundy and Bordeaux back €1.7m project to see if the unmanned devices can spot early signs of problems in their crops.
The trio are 'unconnected' to other flights while sources say there may have been more than the 13 drone incidents cited at EDF nuclear plants.
The two men and one woman in their early twenties were detained with at least one drone near a nuclear power station, say officials.