Gas explosion injures victim and damages SF home.

A propane appliance is being investigated as the possible cause of an explosion that severely damaged a home in San Francisco's Richmond neighborhood. One adult was hospitalized with minor injuries, while three others were treated at the scene. The San Francisco Fire Department stressed that this was an isolated incident and there is no threat to the general public. Homeowners are reminded to follow manufacturers' recommendations for storage and to be extra careful with potentially dangerous appliances. The investigation is ongoing.