Several flights and trains experienced disruptions due to dense fog conditions in the National Capital and the NCR region today. Delhi Airport said that around 138 flights were cancelled due to low visibility at Indira Gandhi International Airport. The Delhi Division of Indian Railways said that the movement of several Delhi-bound trains was also affected today. It said that around 37 trains were delayed by more than 2 hours. The India Meteorological Department has predicted dense to very dense fog at a few places during morning hours, while shallow fog conditions during the night tomorrow.