http://bylines.news.yahoo.co.jp/sonodahisashi/20150912-00049437/

http://www.nikkei.com/article/DGXLASFS12H1Y_S5A910C1MM8000/

http://headlines.yahoo.co.jp/hl?a=20150912-00000069-jij-pol

http://headlines.yahoo.co.jp/hl?a=20150913-00000009-asahi-soci

http://www.nikkan-gendai.com/articles/view/news/163822