US police use magnet-equipped drone to 'pull knife' from suspect VnExpress California police used a magnet-equipped drone to remove a knife from an unconscious suspect's hand before making an arrest.
Hanoi police test UAVs for traffic and urban order monitoring VnExpress Unmanned aerial vehicles integrated with artificial intelligence are being tested by Hanoi police to detect traffic violations, sidewalk encroachments, and illegal waste dumping
