The incident left a policeman martyred and several injured.
The incident, in which four police officers and two civilians were injured, took place in Islamabad’s I-10/4 sector on December 23. The police had said that a suicide attacker, riding a cab, blew himself up after the vehicle was stopped over suspicion, reports Dawn News.
The Tehreek-i-Taliban Pakistan (TTP) terror group had claimed responsibility for the incident.
The Islamabad Police had formed a joint investigation team (JIT) to probe the bombing.