https://soccer.nbcsports.com/2017/07/29/two-killed-in-south-africa-stadium-crush/
https://www.dw.com/en/fnb-stadium-stampede-in-south-africa-kills-two/a-39886383
https://www.news24.com/News24/2-dead-in-stampede-at-fnb-stadium-20170729
https://ewn.co.za/2017/07/30/what-caused-the-deadly-fnb-stadium-stampede
https://www.abc.net.au/news/2017-07-30/stampede-kills-2-at-world-cup-stadium-in-south-africa/8757246
https://www.business-standard.com/article/international/two-killed-in-stampede-at-south-africa-stadium-during-football-match-117073000033_1.html