The chassis number of the white Toyota van used in the Karachi bombing was identified on Friday as investigation teams combed the area. The Special Investigation Unit (SIU) department of the Federal Investigation Agency (FIA), along with officers of the Crime Investigation Department and police visited the blast site this morning. Investigation teams found the white Toyota van used by militants to target the CID building and its chassis number identified. All evidence has been sent to a forensic lab. The police have not yet issued any sketches of the terrorists involved in the incident and a case against the incident had not been registered.