Douglas County Fire District 2 and Chelan County Fire District 1 responded to an explosion Wednesday just before 5:00 pm in the 400 block of Parkway Drive in Rock Island.

Public Information Officer Kay McKellar said a propane tank fueling a stove inside of a large RV exploded.

"There were two occupants in the RV at the time." stated McKellar, "Ballard transported them to Central Washington Hospital for treatment."

The extent of the victims' injuries are currently unknown. The blast did extensive damage to the motorhome, blowing out a wall.

The cause of the explosion is still under investigation.

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