Dense fog disrupt road,rail and air traffic in New Delhi

Dense fog on Thursday continued to disrupt road,rail and air traffic in New Delhi,causing several problems to the stranded passengers.Fog returned to the city after a few clear days and the visibility dropped to below 500 metres.Dense fog enveloped the city early morning forcing vehicular traffic to move at a snail's speed.As per reports,about eleven flights have been cancelled and several delayed.A number of trains also continue to be hit,with many were either cancelled or delayed.