Detective Branch (DB) of police today submitted a charge sheet before a court here accusing five operatives of Ansarullah Bangla Team (ABT) in connection with blogger Washikur Rahman Babu murder case."We have submitted the charge sheet against Zikrunnah alias Hasan, Ariful Islam, Saiful Islam, Junayed alias Taher and Hasib alias Abdullah before a Dhaka court," a DB official confirmed.Of the charge-sheeted accused, Zikrunnah, Ariful and Saiful are now in police custody while Junayet and Abdullah are still at large, he also said.Earlier on March 30, Washikur, 27, was hacked to death by a gang of criminals in broad day light at Tejgaon Industrial area.A murder case was lodged with Tejgaon Industrial Police Station in this regard.