A Dhaka court placed former North South University teacher Hasanat Karim and expatriate Tahmid Hasib Khan on an eight-day remand for their alleged involvement with the Gulshan restaurant attack.Dhaka Metropolitan Magistrate Nur Nahar Yasmeen passed the order on Thursday.Humayun Kabir, an inspector of Counter Terrorism and Transnational Crime unit, produced them before court and sought them in 10-day remand prayer for interrogation in custody.Whereabouts of the duo, who came out of Holey Artisan alive, were unclear since they were picked up by law enforcers in the aftermath of the café attack.Confirming the matter to Jagonews24.com Deputy Commissioner (Media) of Dhaka Metropolitan Police (DMP) Masudur Rahman said Hasnat Karim was held from Gulshan area while Tahmid Hasib was held from Bashundhara residential area at around 8:45pm last night.