Various areas of Punjab are shrouded in heavy fog due to which air and ground services have been severely affected.
Flight operation at Lahore Airport has been suspended due to heavy fog while Motorway M4 from Faisalabad to Pindi Bhattian has been closed due to fog.
Motorway M3 from Lahore to Abdul Hakim, Multan Khanewal and Motorway M5 from Multan to Rahim Yar Khan are closed for traffic.
Heavy fog is also prevailing in several areas including Gujarat, Hafizabad, Manga Mandi, Patoki and Okara.
Four people were killed when a car and a trailer collided near Toba Tek Singh due to fog.