The assembled spectators immediately rushed to the scene. Mainichi Shimbun newspaper photographer Yasushi Nagao pointed his camera at the pair just before Yamaguchi plunged his weapon into Asanuma for a second time the resulting image of which won the Pulitzer Prize in 1961 (see below). Positive public remembrances of Asanuma at the park on Tuesday were non-existent. In September, a representative of the Inejiro Asanuma Memorial Assembly Committee, Tamotsu Shima, explained in an article distributed on the Kyodo wire service that a tribute to Asanuma on the anniversary of the event by the ruling DPJ would be unlikely given that scheduling a. The young Yamaguchi dressed in his high school uniform slipped past the police and ran onto the stage. Out of the corner of his eye saw Yamaguchi jump on stage and Nagao by instinct changed the focus from 10 to 15 feet. The 225 lbs (102 kg) politician was the left wing leader of the Japanese Socialist Party. He often enraged the Japanese conservatives by publicly supporting communist China. In 1959 he visited Red China and even went so far to say, the United States is the common enemy of the Japanese and Chinese peoples.
Roughly 20 members of various right-wing organizations congregated in front of the. Hibiya Public Hall just before 3:03 p.m, the time when the 17-year-old Yamaguchi, brandishing a sword, rushed the stage while Asanuma, head of the Japanese Socialist Party, spoke during a political debate prior to lower house elections.