EDMONTON - Two men are in hospital with serious but non-life-threatening injuries after an explosion at a home in south Edmonton.

Edmonton police say the cause of the explosion and the circumstances leading to the incident have not yet been determined.

It is not yet known if the event is criminal in nature.

Police say houses in close proximity have been evacuated and a one-block radius around the scene has been blocked off as a precaution.

The extent of the damage to the residence where the explosion occurred is still under investigation.