Dense fog enveloped Patna city of Bihar on January 15.
It led to low visibility at various locations.
Speaking to ANI, a local said, "From last 3-4 days, the cold wave has gripped the city causing problems in carrying out day-to-day activities." Similar situation of fog was observed in UP's Lucknow today.
Thick blanket of fog also engulfed Punjab's Ludhiana.
Locals were seen keeping themselves warm near the bonfire amid chilly winter season.
