The thick fog forced authorities to delay and cancel several incoming and outgoing flights at Lahore's Allama Iqbal International airport. Several other flights were re-routed owing to foggy conditions. Flights from Karachi to Faisalabad and Sialkot were among those affected.
Due to a blanket of fog and very poor visibility, all kind of traffic was halted on motorways and highways during the night and early morning and people were advised not to travel unnecessarily while trains ran slowly to avoid accidents.
Meanwhile Cold wave further tightened its grip as different areas Rawalpindi, Gujranwala and Lahore divisions received light rain on Thursday.