A group of four young men attacked a 43-year-old man on a train platform at the Tokyu Denentoshi Line's Sangenjaya station in Tokyo around midnight Saturday, leaving him unconscious with injuries to his head, police said Sunday.
According to police, Akira Maki, an employee of Chase Manhattan Bank living in Kawasaki, Kanagawa Prefecture, was riding a crowded local train bound for Chuorinkan Station in the same carriage with the men.
After he got off the train, the men attacked him and fled by running through the station ticket gate. The station is in Tokyo's Setagaya Ward.
The four appeared to be about 20 years old, police said, adding that Maki was on his way home from doing an errand. Witnesses described two of them as being about 170 cm tall and wearing baseball caps, they said.
The train conductor told police that Maki got off at Sangenjaya station but held the doors to the train open and apparently said something to the men. Witnesses said he seemed to be very drunk.
When the conductor reopened the doors because Maki had caused the warning lights to flash, the men got off the train and began punching Maki, police said.
Investigators suspect some trouble between Maki and the men occurred in the carriage and are looking for witnesses.
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