Following the alert, personnel from the RPF, GRP, Mumbai Police and other security agencies launched an extensive search operation at the. Security teams remain on alert across the railway network following checks of suburban platforms, long-distance platforms, foot overbridges plus the parcel. A bomb threat call targeting the Chhatrapati Shivaji Maharaj Terminus (CSMT) here turned out to be a hoax after security agencies conducted a thorough search of the busy railway station.