At least four people have been killed in a shooting in Fredericton, N.B., police have confirmed.

Police responded to the area of Brookside Drive between Main Street and Ring Road just after 7am local time.

Police say the incident is “ongoing” and have asked residents to avoid the area and stay inside their homes with the doors locked.

Police appeared to be focused on one particular residence.

Approximately four gunshots were heard within a five-minute timespan before 8am Fredericton police asked residents to avoid the area and stay inside their homes with the doors locked.

People standing outside the cordoned off area early Friday told Moore that they were instructed to vacate their homes while they were still in their pyjamas.