Overview
- Police say a speed‑posted letter received on April 27 claimed Caesium‑137 was planted at the RSS headquarters, Smriti Mandir, a BJP office, metro seats, and city buses.
- ATS, NDRF, and atomic‑energy experts searched the named locations and reported no trace of radioactive or other hazardous material.
- The letter named a group calling itself DSS and used abusive language toward the RSS, prompting an investigation into the sender and the group’s existence.
- An FIR was registered at Sadar police station, and investigators are checking the letter’s claimed link to the April 7 recovery of gelatin sticks and 58 detonators near Dr Ujjwal Lanjewar’s home.
- Security remains tightened at the RSS headquarters with CISF and Nagpur Police on 24‑hour duty, and checks have increased on metro and bus routes to reassure commuters.