A swath of police and paramedics flooded the area behind Coquitlam City Hall on Thursday morning.
Witnesses told Global News the response is taking place at the intersection of Glen Drive and Pinetree Way.
Businesses in the area have been told to stay inside and not let anyone in.
RCMP officers are reportedly concentrating their efforts on a residential building.
Global News has reached out to the Coquitlam detachment and B.C. Emergency Health Services for more information.
More to come
© politic.gr