Photo taken on March 27, 2017 shows the five-story building where joint forces led by Bangladesh Army Para-Commando Battalion have been conducting an operation in Bangladesh's seaport city Chittagong. Operation Twilight to flash out a militant den by joint forces led by Bangladesh Army Para-Commando Battalion on Monday spilled into its fourth day since Friday, leaving so far eight people including police officers and two militants dead. (Xinhua/Rabby)
