CHANDIGARH: Punjab police suspect Thursday’s explosion in Himachal Pradesh’s Nalagarh was orchestrated by Pakistan’s ISI, allegedly to destabilise the region.A purported press note surfaced Thursday, with Babbar Khalsa International (BKI) and Punjab Sovereignty Alliance (PSA) claiming responsibility for the attack near Nalagarh police station in Himachal’s Solan.The note said the mission was planned and executed by Gopi Nawanshehria and Kabal Singh. Nawanshehria has claimed responsibility for many attacks on police establishments since Nov 2024.BKI and PSA claimed it targeted “synthetic drugs manufactured in Himachal Pradesh and sent into Punjab”. A senior police officer dismissed ideological clai-ms as a “farce”. “These elem-ents are working at the behest of ISI to destabilise the region,” the officer told TOI.