18/01/2015 10:45 AM IST | Updated 15/07/2016 8:24 AM IST

90 Trains Cancelled, Flights Delayed Due To Fog

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CHANGDE, CHINA - JANUARY 15: (CHINA OUT) Heavy smog strikes the whole city on early morning with a low visibility on January 15, 2015 in Changde, Hunan province of China. Changde Meteorological Center issued a yellow alert due to the thick smog in the city to draw citizens' attention to transport. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images)

Cold and fog continued in north India, including capital Delhi Sunday morning. Visibility at the international airport dropped to zero, and over 90 trains were cancelled.

The situation was similar in Amritsar and Agra. Uttar Pradesh was better off, as the fog became shallower and visibility improved.

Parts of Bengal, such as Siliguri, also reported fog, but not as dense as seen in north India. Fog also disrupted rail and air transport in some cities of Bihar and Imphal.

Here are some of the flights and trains that have been delayed or cancelled.