There is not a significant amount of empirical research data that shows the link between violent protest and emotional trauma.

Police charged a young African-American man on Sunday in connection with the shooting in Ferguson that wounded two policemen.

Investigators scoured streets near the scene of the shooting for clues and several people were brought in for questioning, but there were no arrests.

Two police officers were shot during a protest, hours after the city’s police chief quit following a damning report into his department.

The Oscar-nominated film comes to our screens at a time when racial and social equality debates are as topical as they were back in 1965.

The 18-year-old Antonio Martin was said to be carrying a handgun, which he allegedly pointed at the police officer before the cop opened fire.