Citizens present a hand-written card as a gift to a police officer at Kwun Tong Police Station in Hong Kong, August 10, 2019. [Photo/Xinhua]

Chief Executive of the Hong Kong Special Administrative Region Carrie Lam attends a press conference in Hong Kong, August 9, 2019. [Photo/Xinhua]

People visit Central Police Station to express their support for the police force in Hong Kong, August 10, 2019. [Photo/Xinhua]

A child visits Central Police Station to express her support for the police force in Hong Kong, August 10, 2019. [Photo/Xinhua]

Citizens visit Kwun Tong Police Station to express their support for the police force in Hong Kong, August 10, 2019. [Photo/Xinhua]