India, July 17 -- A call was received reagarding a bomb at the Mumbai-Ahmedabad flight and a threat to blow up the Chhatrapati Shivaji Maharaj International Airport in the metropolis, following which the Navi Mumbai police registered an FIR and started a probe in connection with the incident.

The calls were received at the office of the Navi Mumbai joint commissioner of police between 2pm and 2.30 pm on July 16, Wednesday, news agency PTI reported.

The calls threatened to blow up the Chhatrapati Shivaji Maharaj International Airport in the metropolis, a police official said.

"The callers said a bomb had been placed on board the Mumbai-Ahmedabad flight," he added.

Another call that came shortly after the first one, said Mumbai internat...