Meanwhile, police have registered an FIR against unknown assailants for firing shots at the residence of Supreme Court judge Justice Ijazul Ahsan in Lahore.
A bullet hit the gate of the house, the report reads.
The PFSA's Fire Arms and Tool Marks (FATM) department will provide a detailed forensic report once an analysis of the submitted evidence is completed.
The Chief Justice of Pakistan Mian Saqib Nisar is reported to have reached the residence of Justice Ahsan in the morning and summoned the Punjab Inspector General to probe the case.More news: How Manchester City celebrated winning the Premier League title
The chief justice is personally monitoring the issue at the moment.
Prime Minister Shahid Khaqan Abbasi has condemn the firing incident, directing the authorities to arrest the elements behind it.
Speaker National Assembly Sardar Ayaz Sadiq, condemning the incident, demanded that the government should probe it and bring the culprits to justice. Zardari said the firing is very serious matter.
An unidentified gunman fired on the residence of Justice Ijazul Ahsan, who was the member of the bench which ruled the verdict of disqualification of former premier Nawaz Sharif in July 2017, on Sunday in Lahore.More news: All 5 accused in Makkah Masjid blast case acquitted
Interior Minister Ahsan Iqbal, Senate chairman Sadiq Sanjrani, MQM-P leader Farooq Sattar, All Pakistan Muslim League (APML) chief retired Gen Pervez Musharraf, and Pakistan Awami Tehreek (PAT) chief Dr Tahirul Qadri also condemned the incident.
"All stakeholders should ensure [a] secure environment for [the] effective functioning of the state institutions and continue the efforts to consolidate improving peace and stability".
Ameer Jamaat e Islami (JI) Pakistan Siraj ul Haq while deploring the attack said no tactics aimed to pressurise or frighten the judiciary would succeed.
Following the incident, the Pakistan Army, the government's top brass, and politicians voiced their condemnation over the incident, with the legal community announcing to wear black armbands in protest today.More news: Michael Stewart reacts on Twitter as Celtic ease past Rangers
He was part of the five-member bench that disqualified the ex-premier in the Panama Papers case a year ago. He had taken oath as the new chief justice of Lahore High Court (LHC) in November 2015.