Examination of fish samples collected from Sambalpur city on Thursday revealed presence of cancer-causing formalin in them, an official said.
Reports said formalin was detected in two fishes collected from Kuluthakani by a team comprising officials of the Fisheries Department and the Sambalpur Municipal Corporation.
The fishes would be sent to Bhubaneswar for further laboratory examination, the official added.
Notably, the team conducted raids at several fish markets in Ainthapali, Budharaja and Govindatala here to ascertain presence of formalin in fishes sold in the markets.
In a related development, the Khordha district administration along with the district Fisheries and Animal Resources Development Department staffs and police conducted raids in Mukundaprasad, Totapara and other fish markets in the district.
“As directed by the Government, raids were conducted and samples were collected from wholesalers and retailer fish traders. These samples will be sent for examination,” Khordha Food Safety Inspector Satyajit Patel informed.