Dense Fog Engulf Delhi, NCR

GHAZIABAD, INDIA - DECEMBER 31: Dense fog engulfed NH 24 main road on December 31, 2017 in Ghaziabad, India. Flight operations were affected at the Indira Gandhi International (IGI) airport here between 7.30 a.m. and 11 a.m. with visibility dropping to below 50 metres. The low visibility delayed around 200 flights with over 40 flights diverted to other airports and several cancelled. At least 15 trains were also cancelled, 57 delayed and 18 rescheduled due to fog in several parts of northern India. (Photo by Sakib Ali/Hindustan Times )