The fact of mass poisoning was observed in Yerevan after a visit to Tashir Pizza. The number increased to 171, Hetq Online reports.
The injured, including children, were taken to hospital.
The condition of 72 people is lightly assessed.
The thing that caused the poisoning is still unknown.
All pizzerias in the chain are closed.
"At our initiative, the branches of Tashir Pizza have been temporarily closed in order to identify and correct the problem. All necessary measures are being taken together with the relevant inspection bodies. The health and safety of our customers is a priority for us," the pizzeria said in a Facebook post.
