Mysterious drones have been spotted at airports across Europe. How worried should we be?

Drones have been found across Western Europe near airports, military bases and power plants, as part of a suspected programme of ‘hybrid warfare’

​Mysterious drones have been spotted at airports across Europe. How worried should we be? Drones have been found across Western Europe near airports, military bases and power plants, as part of a suspected programme of ‘hybrid warfare’ Drones have been found across Western Europe near airports, military bases and power plants, as part of a suspected programme of ‘hybrid warfare’