but is critically injured. today's air show obviously has been cancelled. these wildfires have strained firefighters and stretched resources so thin that for the first time ever officials are calling on citizen volunteers to help. they say they've already been flooded with offers. we also know there are 200 active duty military personnel who are joining this fire fight this weekend. there are 259 fires burning in 17 states, mainly in the west and southwest. the environmental protection agency was well aware of the potential for a blowout at an abandoned mine, that according to newly released documents that show the epa knew about the dangers for more than a year.