Nineteen people were hospitalized in Rosemont, Illinois after an intentional chlorine leak at a hotel, according to public safety officials. The hotel was hosting the Midwest FurFest, where attendees dress up like furry animals and many were forced outside in their costumes when the hotel was evacuated overnight.Is this some sort of kinky sex thing that I don't know about: FurFest. From FurFest's web page:
Midwest Furfest is an annual convention that takes place in the suburbs of Chicago, Illinois. We come together to celebrate furry fandom, that is, art, literature, and performance based around anthropomorphic animals.