The Civil Aviation Authority has announced the restoration of airspace across major routes while a few routes are to remain closed for another 24 hours, as per a notice to airmen (NOTAM) issued by the CAA.

Airspace in Islamabad, Rawalpindi and Karachi has now been fully restored, confirmed the CAA. In a separate notice, it added that certain parts of the air traffic route in the Lahore Flight Region will remain closed at all altitudes for operational reasons until 12:20pm on May 9.

Speaking to Dawn.com, a CAA spokesperson explained that only a few routes between Lahore and Islamabad will remain closed, but other routes between the two cities will remain functional.

Flights arriving or departing from Islamabad International Airport must contact Islamabad Air Traffic Control (ATC) before operating their engines to ensure clearance, said the CAA.