A dense layer of fog engulfed parts of Delhi, Uttar Pradesh, Haryana, Punjab and Rajasthan amid the prevailing cold wave conditions in North India on Wednesday causing disruptions in transportation and affected at least 26 trains.

The city continued experiencing moderate to dense fog in isolated regions in the early hours of the day, with visibility remaining around within 500 m at 9 am. The visibility at Safdarjung was recorded at 200.

The minimum temperature of Safdarjung was recorded at 7.3 degree Celsius. The maximum temperature recorded on Tuesday was 17.2 degrees, two degrees below normal.