Informed, the police rescued the journalist and took her to Tejgaon police station, he said, adding that she was taken to the Detective Branch office later.
Md Mobarak Hossain, officer-in-charge of the police station, said Munni Saha was arrested in a case filed for killings during the Anti-Discrimination Student Movement.
In a letter, the BFIU sought information on her deposits, loans, credit cards, foreign trade, money exchange, lockers, and offshore banking.