QANTAS A380 VH-OQA operating the Melbourne – Dubai sector of QF9 Melbourne – Dubai – London Heathrow (depart Melbourne 30th December) diverted to Dubai World Central this morning due to fog at Dubai. The aircraft was unable to continue Dubai World Central – Dubai – London Heathrow until this afternoon but was able to turn around immediately to operated QF2 London Heathrow – Dubai – Sydney.