The grenade, believed to be of Pakistani origin, is considered highly lethal within a radius of 5 to 10 metres, while its fragments can spread up to 20–25 metres, posing a serious threat to people nearby.

Two new CCTV videos have also surfaced. In one, two suspects are seen standing outside a nearby office minutes before the blast. In another, they are seen fleeing across the road immediately after the explosion.

Meanwhile, security concerns have intensified as the Punjab and Haryana High Court has received a bomb threat for the fourth time via email.

Officials said that while earlier threat emails were sent to the High Court registrar’s official email, the latest message was received at the police headquarters.

Security agencies have launched a thorough investigation of the High Court premises and are working to trace the origin of the threatening emails.

Authorities said both the blast case and the threat emails are being treated with high priority, and efforts are underway to identify those responsible.

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