Prosecutors on Friday indicted a 56-year-old man on trespassing and other charges over an incident in April in which knives were found on Prince Hisahito's classroom desk at a Tokyo junior high school.Kaoru Hasegawa has admitted to placing the knives on the desk at Ochanomizu University Junior High School on April 26, telling investigators that he intended to stab the 12-year-old nephew of Emperor Naruhito and criticizing the imperial system and way of imperial succession.Related coverage:Classes at Prince Hisahito's school resume after knife incidentREAD FULL ARTICLE