Dhaka, Oct. 11 -- They were apprehended in the capital's Jatrabari area on Thursday, said Saiful Islam, additional deputy commissioner of the Counter Terrorism and Transnational Crime (CTTC) unit of police.

The arrestees have been identified as Shahin Alam Omar, 21, Saiful Islam, 18, Hamiduzzaman Biplob, 18, and Al Mamun, 20.

"They have confessed to their involvement with the militant outfit during interrogation," anti-terrorism police chief Monirul Islam told a media briefing at DMP's media centre.

"After recruiting new members, the leaders of the outfit took them to the Sundarbans' Karamjal area for a week-long training programme to indoctrinate them with the ideology of 'Ansar al-Islam'."

"Later they were taken to Rangamati's Alik...