New Delhi, Dec. 16 -- The Delhi Airport on Tuesday issued a passenger advisory as thick smog blanketed the national capital and disrupted flight operations.

The advisory comes after dense fog on Monday disrupted flight operations heavily, with various airlines cancelling over 200 flights and diverting a few to nearby airports due to low visibility, a Delhi airport official told PTI.

On Tuesday, Delhi airport said in the advisory that flight operations were returning to normal but there are still some disruptions due to the fog conditions.

"Flight operations are steadily recovering, but disruptions may persist for certain departures and arrivals. For accurate and timely updates, please contact your airline directly," it said.

The autho...