The search was connected to the ongoing investigations of Häme police department on a series of criminal activities.
Police said the raid led to confiscation as well as revelation of new crimes and one representative of the Cannonball was present at that time.
Police are investigating into two cases of serious drug offences allegedly committed by two members of the gang.
The alleged crimes currently being investigated, however, were not drug related, said Pälvi Suokas, head of investigations.
Suokas has not revealed details about the investigation and the number of suspects is still not known.
