Kolkata, Jan 15: Thick fog disrupted normal life and delayed air and rail traffic in Kolkata.
General visibility at the city airport dropped to low impermissible levels resulting in rescheduling of many flights.
Altogether 47 domestic flights could not take off while 13 flights could not land as the visibility dropped to almost zero around midnight due to fog at the Netaji Subhas Chandra Bose Airport.
Many trains were also running late from their schedule timings due to the fog.
Residents, who were out for a morning walk, said that visibility was extremely poor and they could not see a person even within the walking distance.