Partial building collapse after Delco explosion

March 11, 2011 7:05:31 AM PST
The entire roof of a building collapsed following a gas explosion in Folcroft, Delaware County early Friday morning.

It happened on the unit block of Horne Drive just before 2:00 a.m.

Homes along School Lane were evacuated as a precaution.

No injuries were reported.

The business owner says that rain water collecting on the roof was the cause of the collapse.

There is no word yet on what caused the blast.