The Bangladesh Financial Intelligence Unit (BFIU) has instructed banks to freeze the accounts of Summit Group chairman Muhammad Aziz Khan, his brothers, and other family members.
The BFIU, in a letter, asked banks to block transactions for 30 days under the provisions of the Money Laundering Prevention Act.
It earlier collected accounts information of Aziz Khan and his family members.
He is among influential top 50 businessman in Singapore.