All flights to and from the Kabul International Airport have been suspended until further notice due to large crowds seeking to flee Afghanistan, the national civil aviation authority said in a statement issued on Monday.

"All flights at the Hamid Karzai International Airport are suspended until further notice. Passengers looking to fly to different regions around the country and abroad will be notified in advance when flights will be resumed. These measures are taken to avoid crowds and unrest in the airport," read a statement published on the agency's Facebook page, Tass reported.