dense fog
Two killed in motorcycle, tempo collision due to fog in UP's Ballia
Dense fog disrupts flight operations at Kolkata airport for second consecutive day
One flight diverted, several delayed due to poor visibility in Ranchi
Seven vehicles collide on Delhi-Lucknow highway due to fog, 3 injured
Dense fog in Delhi: Over 100 flights delayed, 26 trains running late
Dense fog at many places in Punjab, Haryana; Amritsar records 3.5 deg C
Thick fog delays 25 trains in Delhi, Air Quality remains 'very poor'