Police say three adults have died in the lobby of an office space in north Toronto.

Investigators say they were called to the area of Don Mills and Mallard roads shortly before 3:30 p.m. and found three people with unknown injuries.

An all-boys Catholic elementary school was placed in lockdown due to the investigation and a nearby daycare has been cleared.

Police say popcorn weed Toronto Transit Commission buses have been brought in to shelter the children as they wait for caregivers.

Parents are gathering behind pol weed stores near me ice tape at the daycare to pick up their children.

A supervisor earlier told them that everyone inside was safe.