Riots erupted in the St Louis suburb of Ferguson after a jury decided not to indict the officer involved in the shooting of Michael Brown.
Police in the US state of Ohio face an enquiry after a young boy was shot and killed by officers for carrying a replica gun in a playground.
A bid to overturn the verdict that Mark Duggan was “lawfully killed” by a police marksman has been denied.
The unarmed black teenager killed by a police officer in Ferguson, Missouri, on 9 August was shot at least six times, according to a medical examiner’s report.
French prosecutors are investigating an incident of police brutality caught on video, where a police officer is seen repeatedly beating a black woman with his baton and spraying her point-blank in the face with some form of pepper spray or tear gas.