A severe cold wave and dense fog have gripped the Delhi region. Thick fog has blanketed the national capital, leading to a sharp drop in visibility during the early hours of the morning. Visuals on your screen show a dense layer of fog engulfing large parts of Delhi-NCR. This comes ahead of the New Year celebrations, with commuters facing poor visibility and possible disruptions. Authorities have advised caution as the cold wave continues to intensify across the region.