KOHAT, Dec 9: The five-member team, investigating the Wednesday's suicide blast in Kohat, has released a sketch of the bomber to seek public help in his identification.

The team also expanded the scope of investigations to other settled districts, Darra Adamkhel, Orakzai Agency and Waziristan Agency to trace the group responsible for the blast and chalk out strategy to stop such attacks in future.

The investigation team has sent its preliminary report about the blast in the light of statements of eyewitnesses and evidences to provincial government for taking precautionary measures in all the districts, which were declared sensitive soon after the incident at a cabinet meeting on Wednesday night.

The computerised sketch has been prepared after plastic surgery of the head of the suicide bomber.

The first information report has also been registered in the City police station against unidentified terrorists.

Meanwhile, the victims of Teerah Bazaar blast were buried in their ancestral villages in Khyber and Orakzai agencies on Thursday.

Their bodies were handed over to relatives after completion of autopsy and investigations. Moving scenes were witnessed at the funerals of 19 victims, held in And Khel, Kalat, Teerah and Sarband areas.