New Delhi, Dec 28 (ANI): A thick fog enveloped the national capital, caused train and flight delays on Monday.
Lucknow Mail, Kashi Vishwanath Express, Poorva and Shramjeevi Express, Vaishali Express and Andhra Pradesh Express have been delayed by about an hour.
Two flights have also been delayed at Delhi's Indira Gandhi International airport.
North India usually witnesses early morning fog every winter when night temperatures often dip below six degrees Celsius. (ANI)