Several people were injured on Wednesday following an explosion at a hydroelectric power plant in southern Switzerland, according to Swiss media reports. At least two individuals are in critical condition as a result of the blast. A portion of the building at the power plant collapsed following the explosion. The cause of the incident is currently under investigation by authorities in Switzerland. Emergency services were dispatched to the location in southern Switzerland to provide assistance and secure the area. Further details regarding the extent of the damage and the total number of those injured are still emerging.