New Delhi: Delhi and other parts of North India brought visibility down to a minimum this morning, delaying at least 29 trains, due to dense fog conditions. The visibility was down to 200 metres early this morning in Delhi.

Vehicles were seen moving slowly through the fog cover with hazard lights on. In the early hours, authorities of Delhi airport put out a fog alert, saying low visibility procedures are in progress. The movement of about 40 flights was affected, it is learnt. Some planes had to be diverted, but there are no reports of any major delays yet.

According to IMD reports pointed to foggy conditions across north India and Punjab’s Bhatinda reported ‘zero’ visibility, according to the weather department’s data late last night. IMD in its tweet in the early morning posting a satellite image of the fog cover that extended from Punjab and northwest Rajasthan to Uttar Pradesh, covering Haryana and Delhi.

29 trains were delayed by at least two hours due to low visibility, said Railway officials. The dense fog conditions come amid a cold wave in the Delhi and other parts of north India. Delhi yesterday recorded a temperature of 1.9 degrees Celsius the second lowest in the last decade. The chilly weather conditions have prompted the Delhi Government to issue an advisory to all private schools, asking them to remain shut till January 15^th.