Drone footage from yesterday of sewage being pumped directly into the Saint-Laurent river in Montreal, Canada.

"Due to some problems in roadwork, the City of Montreal had to redirect sewage water directly into the ... river until the connection to the treatment plant is re-established," the filmer wrote online.

"Drone footage captures one area in Old Montreal where the sewage water is being released directly into the Saint-Laurent River, providing a clear image of the cloudy brown sewage water mixing with the darker river water."