• Kyodo, Jiji, Reuters, Staff Report

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A man dressed in Batman’s Joker costume was arrested for attempted murder after a knife and fire attack on a Keio Line train in Tokyo on Sunday night left 17 people injured, one seriously, authorities said, as revelers were heading to the city center for Halloween.

Police arrested the 24-year-old man, who identified himself as Kyota Hattori, at the scene. A male passenger in his 70s was in critical condition after being stabbed in the chest as the train was moving around 8 p.m.

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