The head of political group Tsubasa no To and two other people were arrested Friday for allegedly disrupting the speeches of opponents in a parliamentary by-election in Tokyo last month.
Tokyo's Metropolitan Police Department arrested Atsuhiko Kurokawa, the party's 45-year-old head, along with the group's secretary-general Ryosuke Nemoto, 29, and campaign staff member Hayato Sugita, 39.
Nemoto ran in the April 28 by-election.
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