In Pictures: Bone-chilling cold and dense fog blanket Lucknow, UP

Dense fog covers Lucknow as bone-chilling cold grips the state capital and cold winds keep people indoors for most of the day (Source: Photo by Vishal Srivastava)

Residents in Lucknow remain wrapped in layers of winter clothing as the sun does not appear until late afternoon amid extreme cold conditions (Source: Photo by Vishal Srivastava)

Movement on city roads in Lucknow slows due to dense fog as visibility remains poor during morning and night hours (Source: Photo by Vishal Srivastava)

Uttar Pradesh reels under severe cold and dense fog as the Meteorological Department issues a warning of a cold wave for the next four days (Source: Photo by Vishal Srivastava)

The Yogi Adityanath government orders the closure of all schools and colleges up to Class 12 across the state till January 5 due to worsening weather conditions (Source: Photo by Vishal Srivastava)

Chief Minister Yogi Adityanath directs officials to ensure blanket distribution bonfires and proper facilities at night shelters across the state (Source: Photo by Vishal Srivastava)

Dense fog blankets around 30 districts including Kanpur Gorakhpur and Jhansi with visibility dropping to zero to ten metres at several locations (Source: Photo by Vishal Srivastava)

Rail and air services are disrupted across the state as over 100 trains run late and several flights are cancelled or delayed due to fog (Source: Photo by Vishal Srivastava)

Cold conditions intensify in Lucknow as icy winds blow and overcast skies prevent sunlight for most of the day (Source: Photo by Vishal Srivastava)

Cold winds and persistent fog continue to affect daily life in Lucknow as the city remains under the grip of an intense cold wave (Source: Photo by Vishal Srivastava)

Authorities advise people in Lucknow to remain cautious and avoid unnecessary travel due to severe cold wave conditions (Source: Photo by Vishal Srivastava)