▁from ▁R AB ▁and ▁the ▁Police ▁forces ▁present ▁on ▁the ▁ground , ▁Command os ▁initi ated ▁their ▁ra id ▁( c oden amed ▁" Operation ▁Th under bol t "), ▁which ▁began ▁at ▁ 7 : 4 0   am ▁and ▁concluded ▁at ▁ 8 : 3 0   am . ▁They ▁were ▁successfully ▁able ▁to ▁free ▁ 1 3 ▁host ages ▁and ▁kill ▁the ▁ass ail ants . ▁ ▁During ▁the ▁attack , ▁ 9 ▁It ali ans , ▁ 7 ▁Japanese , ▁ 2 ▁Bang l adesh is , ▁ 1 ▁Indian , ▁and ▁ 1 ▁American ▁were ▁killed ▁by ▁the ▁perpet rat ors . ▁ ▁Operation ▁Tw il ight ▁in ▁Syl het ▁ ▁On ▁Th urs day , ▁ 2 3 ▁March ▁ 2 0 1 7 , ▁the ▁Bang l adesh ▁Police ▁surrounded ▁a ▁sus pected ▁milit ant ▁hide out ▁in ▁Dak sh in ▁Sur ma ▁Up az ila , ▁Syl het , ▁Bang l adesh . ▁Later , ▁a ▁SW AT ▁team ▁joined ▁the ▁police ▁unit ▁from ▁D h aka . ▁The ▁housing ▁complex ▁has ▁two ▁a partment ▁buildings . ▁The ▁Police ▁unit ▁was ▁rein for ced ▁with ▁personal ▁from ▁Rap id ▁Action ▁Battalion ▁on ▁Friday . ▁On ▁Saturday , ▁the ▁ 1 st ▁Para ▁Comm ando ▁Battalion ▁took ▁charge ▁of ▁operations ▁and ▁named ▁it ▁Operation ▁Tw il ight . ▁ ▁Operation ▁Tw il ight ▁was ▁launched ▁by ▁the ▁ 1 st ▁Para - Comm ando ▁Battalion ▁of ▁the ▁ad h oc ▁para - comm ando ▁brig ade