Dhaka, March 28: After the prolonged raid of four days, four ISIS terrorists have been killed by the security forces in Bangladesh's Sylhet city. The announcement came from a security spokesperson who briefed the media that with four terrorists now killed the residential building is under their control. 

THe spokesperson, Brig Gen Fakhrul Ahsan,  also confirmed that out of the four killed, three were men and one was a woman. While they have recovered two bodies, two more are still inside the buildings as they are strapped to suicide vests. A huge cache of explosives has been found scattered inside the building , Ahsan said, adding that a portion of the building may collapse if they explode. "So we need to move very carefully," he added.
 
While the building is under their control , operation Twilight will continue. With the recovery of bodies of the four militants from the hideout, the death toll in the operation stood at 10 as six persons, including two policemen, were killed and dozens of others injured in two explosions on Saturday near the hideout.
 
The Islamic State (IS) reportedly claimed responsibility for the blasts.On Friday, Sylhet police and personnel from police's counterterrorism unit cordoned off a housing complex at Shibbari neighbourhood, some 240 km from capital Dhaka.Bangladesh Army Para-Commando Battalion took charge of the operation from the police on Saturday and began the assault on the complex housing a five-storey and a four-storey building.
 
The same Bangladeshi commandos stormed the Holey Artisan Bakery in Dhaka's diplomatic enclave Gulshan on July 2 last year.In the wake of the Dhaka cafe attack, Bangladesh has conducted a series of large-scale operations against militants. Bangladeshi police have hunted down and killed scores of militants linked to the terror attack on the Holey Artisan Bakery, in which 20 hostages, mostly foreigners, were killed