Overland, MO- By Heather Ratcliffe, Post-Dispatch – A gas explosion blew apart an Overland home Tuesday morning and seriously injured the occupant asleep on the couch inside.

Keith Fleming, 34, wandered out into the street in his underwear after the blast leveled his home in the 2200 block of Hood Avenue. He suffered serious burns all over his body. He was taken to St. John’s Mercy Medical Center.

Investigators believe a natural gas leak caused the blast. It may have originated in the kitchen.

St. Louis County police Arson and Explosives Unit was assisting Overland Police Department and Community Fire Protection District in the investigation.