, Nov. 2 -- The Customs Intelligence and Investigation Directorate (CIID) has sealed a warehouse in Narayanganj after finding around 81.6 tonnes of chemicals, including Sodium Hydrosulfite, whose owner failed to produce documents proving their legal origin and stock.

The seizure has raised concerns over the possible misuse of bonded warehouse facilities and large-scale customs duty and tax evasion, according to a press release.

Acting on intelligence that chemicals imported duty-free under bond facilities were being illegally sold on the open market, a CIID team conducted a raid at Tanbazar in Narayanganj on Sunday.

During the operation, the team found the chemicals and other raw materials stored at the warehouse of M R Traders. The co...