Hindustan Times 130 flights cancelled at Delhi airport; red alert issued for fog
Airports where visibility was zero in the early hours included Hisar, Ambala, Chandigarh, Amritsar, Jammu, Agra, Pathankot and Gwalior.
Airports where visibility was zero in the early hours included Hisar, Ambala, Chandigarh, Amritsar, Jammu, Agra, Pathankot and Gwalior.