A 93-year-old man in Vienna-Floridsdorf is suspected of intentionally causing a gas explosion in his home. The blast resulted in several injuries and significant damage to the property. Additionally, neighboring houses were partially and severely damaged by the explosion. Local authorities are investigating the incident to determine if the act was indeed deliberate. Emergency services responded to the scene to assist the injured and secure the area. The scale of the destruction has impacted multiple adjacent buildings. Investigators are currently working to establish the exact sequence of events.