Fishers firefighters responded to the YMCA located at 9012 E. 126th Street on report of a hazardous material release.
The building was evacuated while firefighters began treating patients. Eighteen total people, which included 1 child were evaluated by paramedics. Seven of those were transported to local hospitals for non-life threatening injuries.
Emergency personnel believe the source of the chemical release originated from the pool area.
Assisting Fishers Fire Department were Carmel Fire Department, Fishers Police Department, IEMS, and MESH Coalition Services.