Ranchi, March 7 -- An email threat targeting the Regional Passport Office (RPO) on Ratu Road here, sent directly to the Police Headquarters and the Ranchi SSP, put police on high alert on Friday. Police said a massive contingent led by Kotwali DSP Prakash Soy cordoned off the area as the Bomb Disposal Squad (BDS) and sniffer dog units conducted a room-by-room sweep of the passport office and the surrounding premises. After hours of intensive investigation, officials confirmed that no explosives or suspicious objects were found, declaring the threat a hoax.p3...