Out-Of-Control Drone Crashes Through Office Window, Hits Man In Head

Perel told ABC News that he initially thought a bomb had been detonated outside the building, adding he was "99 percent ok, I just have a bruise." After realizing what had happened, he quickly removed the memory card from the GoPro camera attached to the DJI drone. "While sitting at my desk I heard what sounded like a missile followed by a huge bang and glass all over me," he wrote in the YouTube video description. "Turns out someone lost control of their drone.