A massive emergency response was underway during the 5 p.m. hour in Prospector after the report of a possible structure fire at 1850 Sidewinder Drive. There was not visible smoke, though, by a little after 5 p.m.
The Park City Police Department and the Park City Fire District were still at the scene by 5:30 p.m., and firefighters were seen walking in and out of a building. Sidewinder Drive, though, remained open to traffic. Park City officials are requesting drivers avoid the area. Details were not immediately available.