Missouri tensions: Police fire tear gas in St Louis
There has been a fourth night of violence on the streets in Missouri after an unarmed black teenager was shot dead by police.
Crowds gathered in Ferguson, St Louis, over the death of 18-year-old Michael Brown.
Freelance Journalist Mariah Stewart told BBC News: "The protesters want to see change in St Louis."
14 Aug 2014
- From the section US & Canada