On the ground, a warning shot from a pistol, rifle, or shotgun is fired into the air, and is a sufficiently aggressive act to demand attention, and alert onlookers that they might be shot if directions are not followed.
On the ground, a warning shot from a pistol, rifle, or shotgun is fired into the air, or occasionally into a nearby object, or aimed so that the shot passes the one being warned harmlessly. This is a sufficiently aggressive act to demand attention, and alert onlookers that they might be shot if directions are not followed.