Southern Punjab engulfed by fog

Different cities of southern Punjab are under the full cover of fog now a days. The whole schedules of flights and trains have badly disturbed due to dense fog in this region. The flights are reaching at their destinations about four to six hours late and trains are reaching about 8 to 10 hours late. Passengers are facing lot of problems due to this situation.
In most of the cities, shopkeepers have started to close their shops just after sunset due to falling of fog. The demand of tea, soup, dry woods and coal have increased in this cold weather and on the other hand, people are also suffering from several infectious diseases like flu cough and pneumonia. The whole system of life is badly disturbed due to ongoing cold weather and fog.