Dense fog engulfs Delhi NCR, flight operations affected, trains delayed

Dense fog engulfed the national capital and neighbouring areas. India Meteorological Department (IMD) recorded 4.6 degree Celsius at 5.30 on December 30. The thick blanket of fog disrupted vehicular movement on streets. At least 30 trains were running late due to low visibility in Northern Railway region. Three flights were diverted from Delhi airport due to heavy fog. Meanwhile, air quality strayed further into the 'severe' category.