A man is detained while protesting the death of Alton Sterling in Baton Rouge, Louisiana, U.S. July 9, 2016. Alton Sterling, a 37 year old black man was shot at close range while being held down by two white police officers. The shooting, captured on cell phone videos, aggravated the unrest that has occurred through the United States for two years over the use of excessive force by police, especially against black men.