LAHORE: Pakistan International Airlines (PIA) flights operating from Lahore, Multan and Sialkot were on Wednesday affected due to dense fog while some local flights also faced cancellation. 

The PIA spokesperson has warned of operational challenges in air operations due to low visibility and intense fog and flights to and from Lahore, Multan and Sialkot may face cancellations, changes or delays due to challenging conditions. 

He said this season fog disrupted air operations in these cities, posing difficulties for aviation activities and passengers were urged to obtain information about their flights from the PIA Call Centre before heading to airport, considering potential disruptions due to fog.