Chandigarh, Feb. 25 -- UT police are investigating the involvement of a senior Punjab Police officer's son in a firing incident that took place at The Willow Cafe in Sector 10, Chandigarh, on February 19.

According to police sources, the pistol used in the firing is suspected to be a service weapon, though the weapon is yet to be recovered.

Police authorities had earlier issued a lookout circular for two suspects who were accompanied by a security guard. The suspects remain at large.

The firing had come to light when the cafe staff reviewed CCTV footage and reported the matter to the police. As per the written complaint by Balbir Ram, the head chef at the cafe and a resident of Badal Colony, Zirakpur, four men arrived at the cafe aroun...