GRANDVIEW, Wash. (AP) — A fire threatening homes, infrastructure and a sewer plant in central Washington has prompted a state response, including aircraft. Interim State Fire Marshal Chad Cross says the Canyon Road Fire near the small city of Grandview is burning in grass, brush and small trees after igniting Wednesday afternoon. He says the blaze has prompted evacuations and is threatening the Grandview Wastewater Treatment Plant. Yakima County Fire District 5 said as of 5:30 p.m. Thursday that the fire remained active, had burned 3.1 square miles and was 90% contained. People living in the areas of Byron Hill Road and the State Route 22 area in Grandview had been told to get set to leave.