The invention relates to a system for securing an area, a central station being in communication with drones where each drone comprises: - a fire detection unit comprising at least one thermal camera, - an intervention unit on fire comprising at least one container retaining a gas capable of combining with oxygen to suffocate a fire and - a control module comprising a scanning module (MB) of a part (ZS1) of the zone, memorized by the drone, according to which a scanning trajectory is calculated, the control module controlling a trigger of the intervention unit upon detection of fire and sending, to the central station, a fire alert comprising at least one item of information location.
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