Detectives in separate drives arrested three suspected members of banned militant outfit Ansarullah Bangla Team from different parts of the city and Patiya upazila early Friday.
The arrestees were identified as Farhad, a former student of Chittagong University, Mohammad Imran, student of Chittagong Polytechnic Institute, and Ahmed Hossain Rony, a student of Shyamoli Polytechnic Institute.
Tipped off, a team of DB police launched a drive in Pathantuli area under Double Mooring thana and arrested Farhad while another team arrested Imran from Shikolbaha area of the city, said Nazmul Ahsan, additional deputy commissioner of Chittagong Metropolitan Police.
Besides, DB police conducted a drive in Dhalghat area in Patiya upazila and arrested Ahmed Hossain, Nazmul Ahsan said. Police also recovered a laptop and some religious books from their possession, UNB reports.