Japan knife attack at centre for disabled leaves at least 15 dead

https://www.thestar.com/news/world/2016/07/25/japan-knife-attack-at-centre-for-disabled-leaves-19-dead-report.html
http://news.nationalpost.com/news/world/nineteen-dead-and-20-injured-in-knife-attack-outside-tokyo-reports
https://www.youtube.com/watch?v=uQnWFGFCbpk