A member of the airport staff tries to stop anti-government protesters during a demonstration at Hong Kong Airport, China August 13, 2019.

Anti-government protesters stand at a barricade made of trolleys during a demonstration at Hong Kong Airport, China August 13, 2019.

A passenger walks past anti-government protesters as he tries to enter the security gate during a demonstration at Hong Kong Airport, China August 13, 2019.

Anti-government protesters sleep on the floor during a demonstration at Hong Kong Airport, China August 13, 2019.

Anti-government protesters stand at a barricade made of trolleys during a demonstration at Hong Kong Airport, China August 13, 2019.

Passengers talk with a member of the airport staff after the announcement that all airport operations are suspended due to an anti-government demonstration at Hong Kong Airport, China August 13, 2019.

A passenger walks past anti-government protesters sitting on the floor in front of security gates during a demonstration at Hong Kong Airport, China August 13, 2019.

Anti-extradition bill protesters try to stop passengers from entering the security gates during a mass demonstration after a woman was shot in the eye, at the Hong Kong international airport, in Hong Kong China August 13, 2019.

Anti-government protesters try to prevent a passenger from breaching a barricade in front of departure gates, during a demonstration at Hong Kong Airport, China August 13, 2019.

Anti-extradition bill protesters use trolleys to stop passengers from entering the security gates during a mass demonstration after a woman was shot in the eye, at the Hong Kong international airport, in Hong Kong China August 13, 2019.

Anti-government protesters react after the announcement that all airport operations are suspended due to a demonstration at Hong Kong Airport, China August 13, 2019.

A placard reading "Sorry..." is displayed on the barricade blocking the access to the departure gates, during an anti-government demonstration at Hong Kong International Airport, China August 13, 2019.

Riot police use pepper spray to disperse anti-extradition bill protesters during a mass demonstration after a woman was shot in the eye, at the Hong Kong international airport, in Hong Kong China August 13, 2019.

Riot police disperse anti-extradition bill protesters during a mass demonstration after a woman was shot in the eye, at the Hong Kong international airport, in Hong Kong China August 13, 2019.

Police clash with anti-government protesters at the airport in Hong Kong, China August 13, 2019.

Riot police use pepper spray to disperse anti-extradition bill protesters during a mass demonstration after a woman was shot in the eye, at the Hong Kong international airport, in Hong Kong China August 13, 2019.

Riot police use pepper spray to disperse anti-extradition bill protesters during a mass demonstration after a woman was shot in the eye, at the Hong Kong international airport, in Hong Kong China August 13, 2019.

Police clash with anti-government protesters at the airport in Hong Kong, China August 13, 2019.

Police confront anti-government protesters at the airport in Hong Kong, China August 13, 2019.

Medics attempt to remove an injured man who anti-government protesters said was an undercover policeman at the airport in Hong Kong, China August 13, 2019.

Anti-extradition bill protesters try to stop the police vehicle which goes to the airport during a mass demonstration after a woman was shot in the eye, at the Hong Kong international airport, in Hong Kong, China, August 13, 2019.

Fu Guohao, reporter of Chinese media Global Times website, is tied by protesters during a mass demonstration at the Hong Kong international airport, in Hong Kong, China, August 13, 2019.

Anti-government protesters attend a demonstration at Hong Kong Airport, China August 13, 2019. Image used for illustrative purpose

Anti-government protesters block the access to the departure gates, during a demonstration at Hong Kong Airport, China August 13, 2019.

Riot police is seen during a mass demonstration after a woman was shot in the eye, at the Hong Kong international airport, in Hong Kong China August 13, 2019.

Anti-government protesters gesture at police during clashes at the airport in Hong Kong, China August 13, 2019.

A tee shirt where it reads ”I love Hong Kong police” is found in the bag of Fu Guohao (C), reporter of Chinese media Global Times website, during a mass demonstration at the Hong Kong international airport, in Hong Kong, China, August 13, 2019.

Riot police is seen during a mass demonstration after a woman was shot in the eye, at the Hong Kong international airport, in Hong Kong, China, August 13, 2019.

Image used for illustrative purpose. Passengers walk past anti-government protesters blocking the access to the departure gates, during a demonstration at Hong Kong International Airport, China August 13, 2019.

Passengers wait for information regarding their flights during a demonstration at Hong Kong Airport, China August 13, 2019.