Hundreds of od flights have been cancelled out of Hong Kong due to the ongoing city-wide protests over the unpopular extradition bill.

The Cathay Pacific Airways group has cancelled over 150 flights and at least 13 for tomorrow.

READ: United pilots arrested over alcohol suspicion  China Airlines and Mandarin Airlines have also cancelled flights as well as Air China, Cebu Pacific and Philippine Airlines.

Flight Global says that the airport only has one runway operational between 5 and 6 August.

It adds that "the disruptions to flight services come as air traffic controllers went on strike, as part of the anti-government protests."