Dense fog on Wednesday covered the twin cities causing the airport to shutdown while Islamabad-Lahore Motorway was under fog till early morning and was opened after remaining closed for five hours. According to Civil Aviation Authority (CAA), the Benazir Bhutto International Airport was closed for flights at 10pm on Tuesday night due to thick fog in the twin cities of Islamabad and Rawalpindi.
Eleven international flights were shifted to Lahore Airport while domestic flights arriving from different cities were cancelled. Other flights also faced delays and cancellations due to the same reason. The extreme fog blanketed the plains of Punjab as well.
The traffic plying towards Lahore was diverted to GT Road, as Islamabad Toll Plaza has to be closed as visibility neared zero in Kalar Kahar Salt Range owing to thick fog. Meantime, traffic going from Peshawar to Lahore was shifted to Highway from Burhan Interchange. The Meteorological Department forecast the hike in severity of fog during next three days of the week.Source: http://www.brecorder.com/general-news/172/1139350/