§ Mr. Oakesasked the Secretary of State for the Environment if he will investigate the mysterious death of thousands of birds in the Mersey estuary; and what steps he is taking to trace the 323W source of the pollution causing these deaths.
§ Mr. MonroAn exhaustive investigation is being carried out by the North-West Water Authority in co-operation with local industry and other statutory and voluntary bodies. The Department is keeping in close touch with progress.