Road Transport and Bridges Minister Obaidul Quader on Sunday said six among seven Japanese who were killed at Gulshan Holey Artisan Bakery on Friday night standoff, had been working for JICA and they had come Bangladesh as surveyors of Metro Rail Project.Terrorism is a common problem and now Dhaka suffering from this, so killings of Japanese officials in Gulshan eatery attack will not hamper metro rail project, the minister said this in his response of journalist’s quarries morning during his visit at ity’s Syedabad bus terminal in the morning.Earlier, gunmen seized Holey Artisan cafe at 8.45pm, killing 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.