MERCER COUNTY, WV (WOAY) - A truck fire has contaminated East River in Mercer County, but officials say there is no severe risk of environmental damage. https://www.youtube.com/watch?v=G6fImxC3QKM It stems from a tractor-trailer fire at around 9:30 a.m. Feb. 6 on Interstate 77. The East River Volunteer Fire Department says a truck carrying at least 42,000