<h1>Tougher safety steps ordered under Delhi Police Act, Explosives Act and Ammonium Nitrate Rules after heritage blast</h1> Following a deadly blast near a major heritage site, the Delhi Lt Governor directed the police and administration to tighten regulatory and preventive measures under the Delhi Police Act, Explosives Act, and Ammonium Nitrate Rules. Police must revisit the 2022 Standing Order on ammonium nitrate, maintain digital records of bulk buyers and sellers with photographs, and conduct rigorous security audits of high-footfall public places and CCTV coverage. Authorities are to consult social media platforms to track radicalising content, strengthen intelligence and community outreach, and create a central repository of medical professionals' credentials with background checks. Additional directions target regulation of vehicle ownership and second-hand sales to ensure alignment of registered and actual owners.