Mumbai security agencies alerted after hoax bomb threat emails target key sites including Amitabh Bachchan's residence

Mumbai's security agencies have been placed on high alert after receiving hoax bomb threat emails targeting prominent locations such as Amitabh Bachchan's residence and municipal offices. Bomb disposal squads inspected several sites but found no suspicious items. The threat referred to Khalistan and was signed by the Khalistan National Army. Authorities are investigating the email's origin and reviewing security measures at all mentioned locations.