Bangladesh Financial Intelligence Unit (BFIU) has asked banks to freeze the accounts of former commerce minister Tofail Ahmed and his family members.
The anti-money laundering agency recently issued instructions to suspend the transactions.
According to a letter from BFIU, the members include his wife, daughter, son and daughter-in-law.
Also, bank accounts operated under Tofail Ahmed Foundation have been summoned and all transactions have been suspended for 30 days.