Dozens of demonstrators have rallied in Ferguson in the US, one year after the police shooting of unarmed black teenager Michael Brown. <br /><br /> Activists, religious leaders and others are converging on the St Louis suburb for a weekend of marches and concerts and a moment of silence.<br /><br /> Brown’s death sparked months of sometimes violent protests, both in Ferguson and around the US – following subsequent police killings of unarmed black men in several other cities. <br /><br /> It also spurred the “Black Lives Matter” movement that has cast a spotlight on long-troubled relations between police and minority residents of many American cities.
