Excerpts from nbcchicago.com:

Five people were injured when a house exploded in Joliet on Sunday in the 2200 block of Washington St. in Will County at approximately 2:40 p.m.

The East Joliet Fire Protection District said the home was completely destroyed in the explosion and neighboring homes suffered minor damage. Five people were transported to area hospitals, one in critical condition, and the other four with injuries that were not thought to be life threatening. The cause of the explosion remains under investigation.