Members of Dhaka Metropolitan Detective Branch (DB) have taken the survivors of city’s Holey Artisan Bakery to their custody for primary interrogation.The survivors were taken to DB office on Sunday noon and they were at the DB custody while this report was filed at Sunday 2.35pm. Sources said that DB members have taken 16 survivors including 13 victims, two workers of city’s Holey Artisan Bakery and the wounded attacker to their custody for interrogation.Earlier, on Friday night gunmen seized Holey Artisan cafe at 8.45pm, killed 20 hostages and two officers in a siege that ended Saturday morning.All the hostages killed were foreigners and six gunmen were killed while one was held alive the military said.Troops rescued 14 hostages, according to Brig. Gen. Mujibur Rahman of the Bangladesh army.The country’s worst hostage crisis ended on Saturday morning when heavily-armed commandos stormed the popular Dhaka eatery in the diplomatic enclave and killed militants who had been holding many people, including foreigners, captive for over 12 hours.