An envelope containing an unknown substance led to the evacuation of an elementary school in Montreal’s LaSalle borough on Wednesday.
Emergency response teams were called to Des Découvreurs school at 39th Ave. around 1:30 p.m. after the discovery.
In total, four children and five adults were exposed to the substance and were seen by medical specialists. None of them required hospital services.
Investigators with the Montreal police are looking into the matter.
The school, which hosts nearly 260 students, was evacuated as a precaution.
