Firefighters are currently battling a blaze at an old industrial building on Hallituskatu in downtown Tampere, Finland. Pirkanmaa Rescue Department reports the fire is located on the roof of the structure. A significant response has been mobilized, with 21 rescue units dispatched to the scene. Authorities are advising the public to avoid the area while firefighting operations are underway. The cause of the fire is currently unknown and under investigation. No injuries have been reported at this time, but the extent of the damage remains unclear. Emergency services are focused on containing the fire and preventing its spread.