Share FacebookTwitterWhatsAppPinterestLinkedinCopy URLTelegramEmailTumblrReddItPrintKoo JAMMU, Jan 14: The air and rail operation remained hit as a dense blanket of fog on Wednesday hit normal life in Jammu. “Due to dense fog, the flight operation remained affected since morning in view of poor visibility,” said an official. Meanwhile a senior railway official said that the trains are arriving 3 to 4 hours late from their scheduled time as the rail operation is also badly affected due to dense fog in northern parts of the country.