THE cause of mysterious deaths of dozens of fish spotted floating on a Lincolnshire lake is being investigated.
The dead carp were seen floating in the Railway Lakes, behind the Lincolnshire Co-operative home store.
A resident in the area saw the fish a week ago when he was out walking and reported the matter to the police.
They were still visible in the privately-owned lake when the Echo went to take photographs.
The Environment Agency is currently investigating the issue after receiving reports about the dead carp.
Agency spokesman Regan Harris said: "We are investigating the ongoing reports concerning the dead carp in the Railway Lakes at Hartsholme Park.
"We are currently trying to trace the landowner so that we can offer them the appropriate advice."
There are several possible explanations for the fish dying, including being poisoned by a gas build-up which could have formed while the lakes were frozen.
The frozen lake could also have lead to a lack of oxygen in the water, making it stagnant and impossible for the fish to breath in.
The owner of the Railway Lakes could not be reached for a comment.
One homeowner near the lakes, who asked not to be named, said: "It is a shame because the place is normally so beautiful. Read More