Hong Kong police and protesters clashed on Sunday as tens of thousands marched through the central city wearing face masks in defiance of colonial-era emergency powers which threaten them with a year in prison for hiding their faces.
Police fired tear gas and baton charged protesters in several locations, while some protesters threw bricks and petrol bombs at police, as night began to fall.
In the first arrests under the new emergency laws, police detained scores of protesters, tied their wrists with cable and unmasked their faces before placing them on buses. Others lay in foetal positions on the ground,