Authorities said The United States Justice Department has opened an investigation into the police killing of Alton Sterling, a 37-year-old black man whose death was filmed by bystanders. Authorities said Sterling, who was killed early on Tuesday, had a gun as he was wrestled to the ground by two white police officers outside a Louisiana convenience store. Mobile phone footage alleged to be of the incident has prompted hundreds of people to protest and caused outrage online. Protests lasted late into the night on Tuesday in Louisiana’s second largest city, Baton Rouge, with demonstrators chanting “black lives matter” and “hands up don’t shoot”. Louisiana Governor John Bel Edwards and the US Justice Department announced on Wednesday afternoon that there would be an investigation by the department’s civil rights division., who was killed early on Tuesday, had a gun as he was wrestled to the ground by two white police officers outside a Louisiana convenience store.]]>