Riot Police use pepper spray on protesters during a protest against Beijing’s national security legislation in Causeway Bay in Hong Kong, Sunday. Hong Kong police fired volleys of tear gas in a popular shopping district as hundreds took to the streets Sunday to march against China’s proposed tough national security legislation for the city.

Riot Police use pepper spray on protesters during a protest against Beijing’s national security legislation in Causeway Bay in Hong Kong, Sunday. Hong Kong police fired volleys of tear gas in a popular shopping district as hundreds took to the streets Sunday to march against China’s proposed tough national security legislation for the city.