At least four people were killed in a shootout in eastern Canada, police confirmed.
Fredericton Police said in a Twitter post that a suspect is in custody after the incident on Brookside Drive.
Police said there were "multiple causalities" and that agents have held the area while the investigation is ongoing.
The public has been warned to avoid the area and stay in their homes with the doors closed for their safety.
The circumstances of the shooting in the capital of the province of New Brunswick are not immediately known.
Local television reporter Nick Moore of CTV Atlantic tweeted that he heard four shots.
Canadian broadcaster CBC reported that the shooting occurred in a residential area of the city and that paramedics and firefighters were on the scene.