Wildlife officials in Quebec don’t have a good answer for why tens of thousands of fish in the Yamaska River, near Saint-Hyacinthe, are dead. The fish kill was first noticed on Thursday, but many of the fish had been dead for several days. The fish kill has not been selective, as wildlife officials say the dead fish include minnows to large fish, up to 15 to 20 centimeters (6 to 8 inches) in length.

Christian Blanchette, the regional coordinator for Urgence Environment told CTV News that biologists and scientists came to the river on Thursday and Friday, trying to discover the cause of the fish kill. He said they were looking into several possible causes, including spills, sewage and construction waste. READ MORE