The cause remains under investigation.
Firefighters also doused flames of a hay truck fire on I-90 near Vantage. No injuries were reported in that fire as well.
ELLENSBURG, Wash. (AP) — Police say Ku Klux Klan fliers have been found on lawns and driveways in the central Washington city of Ellensburg. The Yakima Herald-Republic reports three residents reported finding the leaflets last week. Police say the fliers were left in rock-filled bags that appea…