The letter, written in English and allegedly sent by a group calling itself "DSS", claimed that Caesium-137, a highly radioactive substance, had been placed at multiple sites

A few schools in Chandigarh received bomb threat emails on Thursday, prompting swift action by police, bomb disposal squads, and emergency services. Anti-sabotage and sanitisation operations are underway, with authorities treating the threats seriously. The incident follows similar hoax threats reported recently in parts of Punjab and Haryana