Shimla, Himachal Pradesh – January 2: The Himachal Pradesh Police registered a case under the Bharatiya Nyaya Sanhita and the Explosive Substances Act in connection with an explosion within the premises of Nalagarh police station in Solan district, while a National Investigation Agency team visited the site to assess the situation. The blast occurred around 9:40 am on Thursday behind the police station's storeroom. The area was cordoned off; no injuries or casualties were reported. A team from the Forensic Science Laboratory visited the site and collected samples, while multiple police teams were deployed to review CCTV footage from surrounding areas. Police said coordination has also been established with the Punjab Police and central agencies as part of the investigation. The development came amid claims circulating on social media by Babbar Khalsa International and the Punjab Sovereignty Alliance, which alleged responsibility for the blast and described it as an IED attack. However, police have said the authenticity of the online post is yet to be verified. Following the incident, the Himachal Pradesh Police Headquarters in Shimla directed all district units to remain on alert. DIG (Southern Range) Anjum Ara said police would be able to confirm the nature of the explosion only after receiving the forensic report. We will be in a position to say something conclusively once the forensic analysis is complete, she said. SP, Baddi police district, Vinod Dhiman, said the alleged press note attributed to the outfit was noticed only on social media. We cannot comment on its authenticity at this stage. The investigation is being carried out from every possible angle. Security agencies are reported to remain on high alert in the region as the investigation progresses.