America's drone war continues, and this time Bone Thugs-N-Harmony are the casualties.

During an appearance at the High Life Music Festival in San Bernardino, Calif., the rap group got a little more than they bargained for due to an out-of-control drone. While they were performing their set, the drone swooped dangerously close to the stage. In video obtained by TMZ, you can watch the exact moment as the drone smacks one of the group's members in the head before falling to the ground. The video quality isn't the best, so it's hard to tell which member took the hit, but some fans have speculated that it was Flesh-n-Bone who took a hard drone to the head. To his credit, he kept going after the strike, despite the fact that those propellers could have done some major damage to his face.

Where exactly the drone came from is a mystery. It seems unlikely that fans would be allowed to bring one into the festival. It's possible that it was a video or photo drone being used by the festival to get footage of the concerts. Why the operator would think it was a good idea to bring it that close to the stage is a mystery, but maybe they were just really intent on getting some up-close footage of the set.

Alternatively, maybe Bone Thugs-N-Harmony did something to piss off Obama recently, and he's decided to bring the drone war to U.S. soil. We're not sure, but Flesh-n-Bone should probably watch his back just incase Barack has it out for him.