Protesters hold placards as they attend a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019.

Protesters hold placards as they attend a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019.

People react at the site where a man fell from a scaffolding at the Pacific Place complex while protesting against a proposed extradition bill, in Hong Kong, China June 16, 2019.

Protesters sit in front of the Legislative Council building during a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019.

Protesters light candles in honour of a man who died after falling from a scaffolding at the Pacific Place complex while protesting, during a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019.

Protesters attend a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019.

Protesters attend a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019.

Protesters attend a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019.

Protesters attend a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019.

A person stands on a scaffolding surrounding the Pacific Place complex next to a banner related to the protests against the proposed extradition bill, in Hong Kong, China, June 15, 2019.

Protesters attend a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019. REUTERS/Athit Perawongmetha - RC1F5A0713D0

Protesters attend a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019.

Protesters pay honours to a man, who died after falling from a scaffolding at the Pacific Place complex while protesting, during a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019. REUTERS/Thomas Peter - RC19FC32F060

A woman reacts at the site where a man fell from a scaffolding at the Pacific Place complex while protesting against a proposed extradition bill, in Hong Kong, China June 16, 2019.

Protesters attend a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019.

Protesters hold placards as they attend a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019.

A protester holds a flag of Hong Kong as he attends a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, outside Office of the Chief Executive in Hong Kong, China, June 16, 2019.

Protesters attend a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019.

A protester reacts after he tried to offer a white flower to police officers during a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, outside Office of the Chief Executive in Hong Kong, China, June 16, 2019.

People make a fire near the flowers honouring a man who died after falling from a scaffolding at the Pacific Place complex while protesting, during a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019.

A protester sleeps near a barricade along the occupied Harcourt Road, near the Legislative Council building, amidst demonstrations against the extradition bill in Hong Kong, China June 17, 2019.

Protesters, who camped out overnight, sleep along a road near the Legislative Council building, amidst demonstrations against the extradition bill in Hong Kong, China June 17, 2019.

Protesters attend a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019.

People react at the site where a man fell from a scaffolding at the Pacific Place complex while protesting against a proposed extradition bill, in Hong Kong, China June 16, 2019.

A protester holds a placard next to a recruiting banner at the Hong Kong police headquarters reading "Let yourself experience the feeling of being a police officer" as she attends a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019.

People observe protesters during a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019.