Almost 150 people were sickened and 34 hospitalized after a worker sprayed perfume at bank call center in Fort Worth, Texas.
After receiving reports of dizziness and shortness of breath at the Bank of America call center, fire officials thought that carbon monoxide or another type of toxic fumes might be to blame, the Associated Press reported.
While 110 people were treated at the scene, 34 others were taken to hospital, including 12 who were transported by ambulance.
Investigators said they don't know what type of perfume was sprayed.