A serious explosion occurred in an apartment building in Vaasa, Finland, on Sala-ampujankatu in the Ristinummmi district. According to the on-duty fire chief of the Pohjanmaa Rescue Department, Teemu Jumpponen, one person was critically injured in the blast and transported to a hospital for treatment. The explosion has rendered four apartments uninhabitable and currently under a usage prohibition. The incident occurred overnight, and emergency services responded to the scene. Investigations are underway to determine the cause of the explosion, but no further details have been released at this time. Authorities are focusing on ensuring the remaining residents’ safety and assessing the structural integrity of the building.