Police officers line up during a protest against what the activists see as excessive police force against protesters during previous demonstrations, near China's Liaison Office, Hong Kong, China July 28, 2019. REUTERS
Protesters stand together with umbrellas as they face off with police during a demonstration against a controversial extradition bill in Hong Kong on July 28, 2019 AFP
Protesters hold umbrellas as they are enveloped by tear gas on a street during a demonstration against a controversial extradition bill in Hong Kong on July 28, 2019 AFP
Demonstrators are seen at a Hong Kong MTR (Mass Transit Railway) station during a protest against police violence during previous marches,Hong Kong, China July 28, 2019. REUTERS
Demonstrators occupy the main road in Central district during a protest against police violence during previous marches, near China's Liaison Office, Hong Kong, China July 28, 2019. REUTERS
Demonstrators retreat during a protest against police violence during previous marches, near China's Liaison Office, Hong Kong, China July 28, 2019. REUTERS
Protesters react to tear gas being fired by police during a demonstration against a controversial extradition bill in Hong Kong on July 28, 2019 AFP
Protesters extinguish a tear gas canister by covering it and pouring on water during a demonstration against a controversial extradition bill in Hong Kong on July 28, 2019 AFP
Police officers detain a demonstrator during a protest against police violence during previous marches, near China's Liaison Office, Hong Kong, China July 28, 2019. REUTERS
Protesters gather during a demonstration against a controversial extradition bill in Hong Kong on July 28, 2019 AFP