KARACHI (DNA) – Civil Aviation Authority (CAA) on Tuesday made changed in Karachi airspace zones and also closed three routes of the international flights.

The CAA has not given any reason behind closure of the routes of the international flights. However, three alternative routes have been announced. According to sources, the three routes will remain operational from today till August 31.

The Civil Aviation Authority has also issued NOTAMN (Notices to Airmen).