Cause sought in blast that leveled Dayton home

DAYTON, Ohio (AP) — Authorities searching for the cause of a southwest Ohio explosion that leveled a vacant home began excavating rubble from the basement area.

Ohio-Home-Explosion Sidd

An estimated 30 homes were damaged when a house exploded in the 500 block of Brooklyn Avenue in Dayton, Ohio, Monday, April 21, 2014. There was a faint smell of natural gas in the area that residents had been smelling for a few days, but the cause remains under investigation. (AP Photo/The Dayton Daily News, Marshall Gorby)

The blast in the vacant home Monday morning in Dayton damaged as many as 30 area homes and caused some minor injuries.

The Dayton Daily News ( ) reports that arson investigators from the Dayton Fire Department as well as the state fire marshal's office and the Bureau of Alcohol, Tobacco and Firearms were involved in the excavation late Monday.

The owner of the home that was destroyed — and one adjacent to it that was set on fire by the explosion — was shaken up but not seriously injured. Authorities said the second home was so badly damaged it will probably have to be demolished, too.