Thick Fog, Freezing Cold Covers Parts Of North India, Srinagar Records Sub Zero Temp — IN PICS

A thick fog was seen near the IGI airport in the national capital on Wednesday morning. (Source: ANI)

Cars move slowly outside IGI airport in Delhi in the early hours of the morning on Wednesday. Several flights were delayed due to the fog and low visibility. (Source: ANI)

A dense layer of fog engulfs Srinagar as the temperature dips to sub-zero on Wednesday. (Source: ANI)

Boats can be seen parked on the lake as fog shrouds Srinagar on Wednesday. (Source: ANI)

People stand around a small bonfire to warm themselves as the temperature dips to sub-zero in Srinagar on Wednesday. (Source: ANI)