They were executed in four separate prisons in Bangladesh, a private TV channel reported.
Bangladesh has launched a nationwide manhunt for 400 members of a banned Islamic militant outfit and its allies, suspected to be responsible for Wednesday's serial blasts across the country.
The outfit has prepared a list of local Hindus and secularists who they plan to target.
'I have noticed how a certain country wants to establish the presence of ISIS in Bangladesh.' 'Are these terrorists working under some religious inspiration or they are being lured by an obnoxious amount of money?' 'For some mysterious reasons, no action is taken by the government against suspicious organisations.'