The Scotland Yard named the three who travelled to Pakistan for training in terrorism between July 25, 2010 and July 6, 2012 as Richard Dart, 29; Imran Mahmood, 21; and Jahangir Alom, 26.
The madrasa located in Pakhiura Char under Matia police station and the residence adjacent to it was allegedly used for jihadi activities by two Bangladeshi nationals, who are currently absconding, the police said.