Protesters walk amid tear gas during a demonstration against a proposed extradition bill in Hong Kong, China June 12, 2019. Hong Kong police in riot gear fired rubber bullets and tear gas at demonstrators who threw plastic bottles on Wednesday (June 12) as protests against an extradition bill turned into chaos. REUTERS/Athit Perawongmetha

A protester holds a shield during a demonstration against a proposed extradition bill in Hong Kong, China June 12, 2019. Tens of thousands of demonstrators had gathered peacefully outside the city's legislature before tempers flared, to protest against the bill that would allow people to be sent to mainland China for trial. REUTERS/Athit Perawongmetha

Police officers fire a tear gas during a demonstration against a proposed extradition bill in Hong Kong, China June 12, 2019. More than 10 people were injured in the clashes. REUTERS/Athit Perawongmetha

A protester throws a tear gas canister during a demonstration against a proposed extradition bill in Hong Kong, China June 12, 2019. REUTERS/Tyrone Siu

Protesters react to a tear gas during a demonstration against a proposed extradition bill in Hong Kong, China June 12, 2019. REUTERS/Athit Perawongmetha

A street barricade is seen during a demonstration against a proposed extradition bill in Hong Kong, China June 13, 2019. REUTERS/Thomas Peter