Anniversary of MLK assassination
A Washington policeman, his hand near his gun, leads away a looter after arresting him near 7th and K Sts. in northwest Washington, D.C. on April 6, 1968. A U.S. Army trooper stands at right. Rioting broke out after the assassination of civil rights leader Dr. Martin Luther King, Jr., in Memphis, Tenn. on April 4. (AP Photo)
