Protesters march on a road during a pro-democracy rally against a proposed new security law in Hong Kong on Sunday. The proposed legislation is expected to ban treason, subversion and sedition, and follows repeated warnings from Beijing that it will no longer tolerate dissent in Hong Kong, which was shaken by months of massive, sometimes violent anti-government protests last year.

Protesters march on a road during a pro-democracy rally against a proposed new security law in Hong Kong on Sunday. The proposed legislation is expected to ban treason, subversion and sedition, and follows repeated warnings from Beijing that it will no longer tolerate dissent in Hong Kong, which was shaken by months of massive, sometimes violent anti-government protests last year.