Addressing a press conference flanked by Special Assistant Firdous Ashiq Awan, the chief minister said that the Counter-Terrorism Department (CTD) Punjab managed to trace the culprits behind the blast within 16 hours of the incident.
He lauded the CTD Punjab for its success in catching the perpetrators of the incident.
Buzdar said that all local and international elements responsible the blast were identified, adding that raid were conducted across Pakistan in just four days to reach the culprits involved in the blast.
The arrested individuals include those who had sold, bought the car and planted explosives in it, he informed the media. He further said that evidence gathered after a 'thorough' investigation points to involvement of an 'anti-state' agency which provided financial support to the terrorists who carried out the attack.