Kolkata: In a major development, security at the Kolkata's NSC Bose International Airport was been beefed up on Sunday after an email threat that it would be blown up within 24 hours.
The Kolkata Airport authorities have registered a complaint at airport police station in this regard.
Reportedly, the e-mail came in the airport manager's ID on Sunday morning and it was claimed to have been sent from Germany.
While the cyber crime team of the airport is checking the veracity of the content of the mail, security agencies have beefed up vigil in and around the airport.
Luggages and cars of passengers are being throughly checked while various parts of the airport are being scanned, officials said.