The US made a similar declaration earlier this year.
The government is facing pressure to rein in drug overdoses.
The two shipments could have flooded the drug market with 800,000 doses.
"This still happens to female reporters everywhere and it needs to stop."
The building has been evacuated.
Five people have been taken to hospital with injuries.
Canadian shopper yells at customers and staff
The store has launched an investigation into the incident.
Dan O'Toole said his one-month-old daughter was missing.