Austrian hang-glides into St Peter's in anti war protest

The video describes an event where an aircraft was spotted over Piazza San Pietro, causing a stir among the public. People in the nearby Piazza Pio XII filmed the scene. Authorities intervened, detaining the main participant and recovering the aircraft, which was identified as a paramotor—a parachute with a seat and a large motor on the operator's back.

What actions were taken regarding the individuals present at the scene?

What equipment was the operator using while flying?