Read the essay and visual narrative “Days of Rage and Grief” at MIT site on the Anpo protests. See also the 10 minute video of the Anpo crisis (in Japanese, just watch for images and scale) that includes the sit in by the JSP (Japanese Socialist Party), the massive protests outside, and the cancellation of Eisenhower’s visit after his secretary, James Haggerty, is forced to flee by helicopter.
Sources, “US-Japan Security Treaty,” 371-72
JSP head Asanuma denouncing renewal of treaty (1960, Live TV)
And read this after watching video.