NHK reports this.
According to the TV channel, the suspect was wanted for involvement in a series of terrorist attacks.
It is clarified that the man planted a bomb and set off an explosion in the building of the Korean Industrial and Economic Institute in the center of Tokyo in April 1975.
As noted in the TV channel, a 70-year-old man entered the clinic under a different name, after which he stated that his name was Satoshi Kirishima.
It is reported that the police have launched a DNA examination.
Earlier, a man was detained in Novosibirsk in connection with a murder on New Year's Eve 1999.