Shelter-in-place order issued after Colo. steel mill fire produces thick smoke yahoo.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from yahoo.com Daily Mail and Mail on Sunday newspapers.
No hazardous substances were involved in a fire at a steel mill in Pueblo, Colo., that produced thick clouds of smoke and caused officials to issue a shelter in place order, the Environmental Protection Agency says.