Some 282 tonnes of clams and 14,000 cage-raised fish died en mass from last Saturday until Tuesday, Lê Thanh Hưởng, deputy chairman of People’s Committee of Kiên Lương District, Mekong Delta province of Kiên Giang told Tuổi Trẻ (Youth) newspaper.

Sea water and waste water samples related to mass clam deaths in central Thanh Hóa Province have failed to meet environment criteria, said Lê Văn Bình, head of the Environmental Protection Branch under the provincial Department of Natural Resources and Environment, on Sunday.