The national capital on Wednesday experienced heavy fog, leading to disruptions in both train and flight services. Residents and commuters faced visibility issues as the dense fog enveloped Delhi. The Indira Gandhi International Airport was also affected, with at least three flights being diverted due to the adverse weather conditions. The Delhi Airport issued an advisory for passengers and urged them to check their flight status before heading to the airport. The fog is expected to impact transportation in the region until the weather conditions improve.