Heavy fog disrupts train schedules across Pakistan By The trains were delayed due to unsuitable weather conditions. Photo: geo. tv/File Trains from Karachi and Quetta were delayed by one to six hours due to unsuitable weather conditions Hours of delay in trains caused severe inconvenience to the passengers LAHORE: Schedules for trains were severely disrupted after heavy fog engulfed multiple cities and towns across the country, According to the Railway inquiry, trains from Karachi and Quetta were delayed by one to six hours due to unsuitable weather conditions. Sources said that Millat Express, which was running from Karachi, was delayed by six hours, while Pakistan Express was three hours and 30 minutes behind its schedule. The Karakoram Express and Business Express were delayed by two hours, respectively.