ABC Local | Sydney lost as fog, smoke from hazard reduction burns settles over city ABC Local Sydneysiders could have been forgiven for not knowing where they were this morning after the iconic skyline was shrouded in thick smoke and fog. Tops of high-rise buildings, electricity towers and even the city's tallest building, Sydney Tower, have ... Thick fog causes Sydney flight delays Flights delayed out of Sydney Airport as a blanket of dense fog shrouds the city Flights Have Been Delayed In And Out Of Sydney Due To Heavy Fog |