A protest against a contentious extradition bill turns violent in Hong Kong on June 12, 2019, as police used pepper spray and tear gas to disperse thousands of demonstrators from an area near the city's legislative complex. Many of the protesters had spent the night near the Legislative Council building, and in the morning began to use metal barricades and bricks to build obstacles. Riot police using shields and batons fired pepper spray and tear gas at demonstrators, who carried umbrellas and…