Contaminated water blamed for fish death
An initial probe into the causes of the death of a large number of fish found on Sunday revealed that a high concentration of toxics in the backwaters of the Karachi harbour was responsible for the killing thousands of fish. The investigation was carried out by the National Institute of Oceanography (NIO) and the results of a chemical analysis will be released within 10 days. No evidence has been found to support the idea that the fish