VOA's Victoria Macchi reports from Baltimore city’s downtown area where residents have been staging demonstrations over the death of a 25-year-old black man in police custody earlier this month. For some perspectives on the underlying causes behind the increasingly tense situation between the police and in a number of U.S. cities, VOA’s Vincent Makori talks to VOA’s Victoria Macchi and later is joined by Melvin Foote, President of Constituency for Africa.