New Delhi, : Air and rail services in northern India were badly hit by dense fog. Passengers were left stranded at airports and railway stations as around 10 flights and over a hundred trains were running much behind the schedules. The airport area visibility was down to zero on runways and it was learnt that the airport authorities cancelled three flights from Delhi, including one international. Over 100 flights were affected on Sunday due to dense fog. The railway service was badly hit with many trains reaching Delhi between 12 to 22 hours late. The busy Delhi-Howrah route was the worst affected. Meanwhile, cold waves swept across north India leaving five persons dead due to intense chill in Uttar Pradesh.
