https://edition.cnn.com/2017/02/10/football/angola-soccer-stampede/index.html
https://www.theguardian.com/world/2017/feb/10/17-fans-killed-stampede-football-match-angola
https://africatimes.com/2017/02/11/angola-team-mourns-sad-day-for-national-football-as-17-die-in-stampede/
https://www.fox13now.com/2017/02/11/at-least-17-die-in-angolan-football-stampede