Japan police: Man put knives on desk of emperor's grandson

The man, identified as Kaoru Hasegawa, center, is driven to a police station after being arrested, in Tokyo Monday, April 30, 2019. Japanese police on Monday arrested the man linked to knives found on the school desk of Emperor Akihito's 12-year-old grandson, Prince Hisahito. The incident occurred last Friday as Japan was preparing for Akihito's abdication on Tuesday. Hisahito will become second in line to the Chrysanthemum Throne when his uncle, Crown Prince Naruhito, ascends the throne on Wednesday. (Daisuke Suzuki/Kyodo News via AP)
The man, identified as Kaoru Hasegawa, right, is driven to a police station after being arrested, in Tokyo Monday, April 30, 2019. Japanese police on Monday arrested the man linked to knives found on the school desk of Emperor Akihito's 12-year-old grandson, Prince Hisahito. The incident occurred last Friday as Japan was preparing for Akihito's abdication on Tuesday. Hisahito will become second in line to the Chrysanthemum Throne when his uncle, Crown Prince Naruhito, ascends the throne on Wednesday. (Yuta Omori/Kyodo News via AP)

TOKYO — Japanese police on Monday arrested a man linked to knives found on the school desk of Emperor Akihito's 12-year-old grandson.

The incident occurred last Friday as Japan was preparing for Akihito's abdication on Tuesday. Prince Hisahito will become second in line to the Chrysanthemum Throne when his uncle, Crown Prince Naruhito, ascends the throne on Wednesday.

Police said they arrested a man in his 50s, Kaoru Hasegawa, on suspicion of trespassing after spotting him in videos from security cameras in the neighborhood of Ochanomizu University Junior High School.

Media reports said the man entered the school posing a maintenance worker and placed two knives on the desk. His motive wasn't immediately known.

Japan's royal family has wide public support but has been targeted in attacks in the past.

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