Thirty-four people went to hospital and dozens were treated for sickness after strong perfume was sprayed by a woman in a Texas bank.
Two workers initially complained of having chest pains and headaches.
The bank then announced that anyone who felt ill should leave the building, prompting around 150 people to take up the offer.
— From Perfume spritz sparks mass exit at BBC News, with many thanks to Victoria for the link! So far as I know, none of the many news stories about this event have identified the perfume in question.