Hong Kong police have launched an investigation into animal cruelty after more than 100 fish, including large koi, died while a pond was being cleaned at a public housing estate in Tseung Kwan O. The incident occurred on Monday morning when a cleaning contractor removed the fish to facilitate maintenance, but allegedly failed to provide a temporary space with adequate aeration, according to the animal rights group Hong Kong Pigeon and Dove Rescue. “Someone has called for help. A cleaning company...