According to the La Repubblica, the teenager who could have used the pepper spray has been found thanks to witness accounts. The prosecutors working on the case have not talked to the suspect yet.
READ MORE: Panic, Stampede in Italian Club Leave at Least 6 Dead, Dozens Injured (PHOTOS)
Meanwhile, the media also reported that a used pepper spray had been found in the nightclub late on Saturday, however, it is yet unclear whether it is the same spray that caused people to panic.
The reports come after a stampede occurred at a rap concert that took place in the nightclub early on Saturday. Six people, including five minors, were killed and around 60 others were hospitalized. The panic was reportedly caused by a pepper spray used by one of the guests.