https://headlines.yahoo.co.jp/hl?a=20170403-00010001-doshin-soci

https://headlines.yahoo.co.jp/hl?a=20170403-00000055-mai-soci

https://this.kiji.is/221551240305313277?c=39546741839462401

http://www.jiji.com/jc/article?k=2017040301230&g=soc

http://www.e-hoki.com/affairs/529.html?hb=1