The incident occurred at a Chicken Treat outlet in Bunbury after an employee mistakenly put caustic soda in a salt shaker insider of salt. The victims were taken to the Bunbury Hospital, where three children remained in the hospital, while two others were sent to a Perth hospital for further treatment.
The incident was confirmed by Grace Ley, the South West Regional Director of WA's Regional Country Health Service, while the police revealed that they are investigating how the chemicals were consumed.
Expressing 'deep regret' over the incident, Chicken Treat released a statement saying, "Chicken Treat deeply regrets that a number of customers who yesterday visited the Blair Street store later required medical assistance. We sincerely wish all of those people affected a speedy recovery. Relevant external authorities have been contacted and Chicken Treat will fully co-operate with any inquiries those authorities determine are necessary."