New Delhi [India], January 15 (ANI): As many as six flights, scheduled to depart from Delhi's Indira Gandhi International Airport (IGI), was delayed due to fog, informed airport authority on Sunday.

Among the flight routes affected by the severe fog were Delhi-Riyadh, Delhi-Shimla-Kullu, Delhi-Varanasi, Delhi-Dharamshala-Srinagar, Delhi-Shimla- Dharamshala, Delhi-Dehradun.

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Already reeling under a cold wave since the beginning of the new year, residents in the national capital on Sunday woke to a chilly morning with cold waves.

Safdarjung recorded a minimum temperature of 5.6 degrees Celsius around 6.10 am on Sunday.

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According to the Meteorological department, the visibility in Palam was recorded at 200 meters at 6.10 am.

As per the IMD forecast, dense to very dense fog was observed over parts of Punjab, Northwest Rajasthan, Jammu division, Haryana, Chandigarh and Delhi, Uttar Pradesh, Bihar and Tripura.

"Dense/Very Dense Fog layer (in the white patch) extends from Punjab to Bihar across Haryana, Delhi and Uttar Pradesh," tweeted the India Meteorological Department.

IMD has issued an orange alert for dense fog and chilly conditions in neighbouring Punjab and Haryana on Sunday and Monday.

Meanwhile, the Northern Railway informed on Sunday that 20 trains were running late due to fog. (ANI)

(The above story is verified and authored by ANI staff, ANI is South Asia's leading multimedia news agency with over 100 bureaus in India, South Asia and across the globe. ANI brings the latest news on Politics and Current Affairs in India & around the World, Sports, Health, Fitness, Entertainment, & News. The views appearing in the above post do not reflect the opinions of LatestLY)