A large fire has broken out at the Slovnaft refinery in Bratislava, Slovakia, sending thick black smoke over the city. Reports indicate an explosion occurred within the refinery complex, shaking nearby buildings. The cause of the fire remains unknown at this time, according to local news outlet Aktuality.sk. Slovnaft assures residents that there is currently no danger to the public. The fire is generating significant concern as smoke plumes are visible throughout the metropolitan area. Authorities are responding to the incident, but details are still emerging. Further updates are expected as the situation unfolds.