July 11, 2017 6:52 am Toxic Sulfur Mound Fire in Wyoming A sulfur fire at a recycling company in Worland, Wyoming, was put out by the fire department on July 7, after the toxic fire had been ignited. US & World Videos 3:25 Principal dancer bids farewell to Boston Ballet 12:05 Heart monitors of the future could be peel-and-stick like temporary tattoos 0:30 Speak now: Sebastián Agudelo 4:25 Speak now: Sue O'Connell 4:28 Speak now: Ellie Halvorson