Muzzle flare is visible as a pistol mounted on a four-rotor drone fires in this still from a video. Photo: YouTube Muzzle flare is visible as a pistol mounted on a four-rotor drone fires in this still from a video. Photo: YouTube
Muzzle flare is visible as a pistol mounted on a four-rotor drone fires in this still from a video. Photo: YouTube

Flying gun: US air authorities investigate gun-firing drone created by teenager

Muzzle flare is visible as a pistol mounted on a four-rotor drone fires in this still from a video. Photo: YouTube Muzzle flare is visible as a pistol mounted on a four-rotor drone fires in this still from a video. Photo: YouTube
Muzzle flare is visible as a pistol mounted on a four-rotor drone fires in this still from a video. Photo: YouTube
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