A threat mail to blow up Terminal 2 of Mumbai's Chhatrapati Shivaji Maharaj International Airport (CSMIA) was received on Thursday. The sender of the mail has placed a demand to pay one million dollars in Bitcoin within 48 hours to avert the blast. Sahar police have registered a case against an unknown person for sending the threat mail using the email [email]id-quaidacasrol@gmail.com[/email]. The mail was sent to the feedback inbox of the Mumbai International Airport Limited (MIAL) at around 11.06 am. The threat mail read: "Subject: Blast. Text: This is a final warning to your airport. We will blast Terminal 2 ... (full story)