Karachi Some unknown poisonous element Wednesday killed thousands of fish and other species at the Kenjhar Lake, one of the largest freshwater sources that supplies 70 per cent of drinking water to Karachi, the largest city in Pakistan.
The onslaught of fish, cows, and dogs which drank the water, was seen early yesterday morning. Even the seashells, which are found in the bed of the lake died and lifelessly floated on the lake surface and the shore, wildlife official and witnesses said.