Thick fog covers Delhi, air quality remains toxic

November 8, 2017 15:49 IST 1 of 5
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The national capital and its adjoining suburbs were blanketed in a grey haze on Wednesday morning, dipping visibility to 300 meters at some places, causing train delays and slowing down flight operations here. Some 30 trains coming to Delhi and 30 flights landing or taking off from the Delhi airport were delayed, according to officials.