People gather at the accident site after a collision of two trains in Bangladesh's Brahmanbaria district, 109 kilometers northeast of capital Dhaka, Nov. 12, 2019. Authorities said negligence caused a head-on collision between two trains that killed 16 people early Tuesday in Bangladesh. The deadly accident snapped Bangladeshi capital Dhaka's rail links with southeastern seaport city Chattogram and northeastern Sylhet town. (Str/Xinhua)