HAVING COME to Chennai International Airport to receive a friend arriving from the Gulf, a 36-year-old man from Kadappa, Andhra Pradesh, was booked on sedition charges for a “random” audio message he had received on WhatsApp, which was deemed “anti-national”, a Chennai airport police officer said. The sedition case was registered by Chennai airport police after the man — Tadikala Akbar Saleem — was taken into custody by the air intelligence unit of the Customs department, which is under the Union Home Ministry. The incident took place on Saturday, and air intelligence is learnt to have referred the case to Chennai airport police on Sunday, with a warning that it carried “anti-national” content. An FIR was registered and Saleem was produced before the magistrate on Monday, an inspector from airport police station said.