Flights to and from Islamabad and Karachi have been cancelled due to fog/ file photo most of the plains of Punjab, Sindh and Khyber Pakhtunkhwa are still in deep fog today.Flights from Islamabad and Karachi have been cancelled due to fog, flight operations at Multan Airport have been suspended while international flights are also extraordinarily delayed.Police said a man was killed by a car hit in Shira Kot, Lahore, the accident occurred due to fog and the body was transferred to the hospital for an autopsy.On the other hand, throughout Punjab, including Multan, Lahore, Gujranwala and Faisalabad The power loadshedding was increased, the fog has affected the NTDC and discos systems, causing several grid stations to close overnight.Lesco chief says that no electricity shortfall, faced with load shading of electricity from fog.