GORAKHPUR, July 27 -- : Quintals of dead fish that surfaced in Ramgarh Tal on Saturday evening were removed on Sunday after civic authorities deployed special teams and machinery for a large-scale clean-up operation. This was the second such incident in a fortnight, raising fresh concerns over the lake's deteriorating ecological health.

Following complaints from local residents, sanitation workers launched an extensive clean-up drive to remove the carcasses. Officials also began monitoring the water body to find out the cause of the repeated incidents.

Officials suspect that a sharp decline in dissolved oxygen levels, along with water pollution and excessive algal growth, may have caused the latest fish deaths. Water and fish samples ha...