Dense fog has tightened its grip on Delhi-NCR, sharply reducing visibility and disrupting daily life. Flight and train services have been badly affected, with cancellations, delays, and diversions reported due to poor visibility. The foggy conditions, combined with rising pollution levels and cold weather, are expected to persist, keeping commuters and travelers on alert. The post Weather Update: Cold wave and dense fog from UP to Bihar, Pollution worsens in Delhi-NCR; Check IMD forecast here appeared first on News24 .