Overview
- A handwritten, four-line letter was found at Lulu Mall on Monday, with police saying it was discovered inside a washroom.
- The note warned that multiple schools, government offices and other key buildings would be blown up within 24 hours.
- Security checks expanded across Lucknow with bomb-disposal teams and dog squads on standby and visible policing at busy public places.
- Police said the letter named no individual or organisation, and investigators are reviewing CCTV to identify who left it.
- Officials reported heightened vigilance across Uttar Pradesh following the recent Red Fort metro blast, and no follow-up attacks or confirmed explosives were reported as of the latest updates.