UK police forced to ground drones after DJI warns that some are falling out of the sky mid-flight

Dronemaker DJI has warned that some of its unmanned aerial vehicles are suddenly falling out of the sky mid-flight. The company says there have been a'small number' of reports surrounding its Matrice 200 series drones, where a power issue is causing them to crash mid-flight. However, the warning has prompted UK police to ground some of their drones. DJI says there have been a'small number' of reports surrounding its Matrice 200 series drones (pictured), where a power issue is causing them to crash mid-flight The United Kingdom Civil Aviation Authority issued a safety notice saying that some 200 model drones lost power mid-flight and dropped straight down to the ground. In one case, a drone experienced an'in-flight issue' and landed on the roof of a commercial building.