“Trash from the city is generally blown by wind and flushed by rain into the storm water drains ... flowing into Tolo Harbour from the Shing Mun River was estimated to exceed 48,000 pieces ...

Drainage officials are investigating suspected illegal waste found in the water of Sha Tin's Shing Mun River, once famed for its foul smell. A thick, orange-brown sludge floated downriver outside ...