http://www.sankei.com/affairs/news/171213/afr1712130018-n1.html

http://www.sanspo.com/geino/news/20171213/tro17121317570009-n1.html https://headlines.yahoo.co.jp/hl?a=20171213-00000115-jij-soci

https://this.kiji.is/313596247918462049

http://www.chunichi.co.jp/s/article/2017121301001364.html

https://www3.nhk.or.jp/news/html/20171213/k10011257181000.html