An email received at BMC office this morning threatened to attack Amitabh Bachchan's house (Photo: Amitabh Bachchan/Tumblr blog)

The Mumbai Police launched an investigation after Amitabh Bachchan and Diljit Dosanjh received a threat email on Friday, October 23. The threat email was received at the office of the Mumbai civic body, in which the sender threatened an attack on Amitabh Bachchan’s house and a suicide attack at Diljit Dosanjh’s concert in Mumbai scheduled for November 27.

The email, sent by a person identifying himself as Smith Johnson, carried the subject line ‘ Mumbai Bombay Bolega Khalistan Zindabad’.…