Agencies in the central province of Hà Tĩnh have been trying to identify the cause of the mass fish deaths in the local coastal breeding cages on Saturday morning.
Authorities in the central provinces of Hà Tĩnh, Quảng Bình and Quảng Trị denied environmental factors were responsible for the toxin found in marine water.
Authorities in the central province of Hà Tĩnh have denied the rumour which claimed that fish on a local coast were found dead as a result of the Formosa spill.
Nearly two years after the 2016 Formosa toxic spill, fishermen in the coastal province of Quảng Trị are slowly returning to the sea or finding alternative livelihoods.
Authorities in central Hà Tĩnh Province on Wednesday stopped the illegal burning of frozen contaminated fish by a local company.
Two companies involved in an illegal case of hazardous waste landfill in central Hà Tĩnh Province have been fined a total VNĐ1 billion or US $45,000.
Tourism businesses have been told to be aware of the consumption of wild fauna and flora species for the conservation of nature as well their own sustainable development.
Prime Minister (PM), Nguyễn Xuân Phúc, on Thursday, directed the relevant ministries to handle the seafood products inventories in four provinces affected by the 2016 Formosa toxic spill.