10 April 2016. Retrieved 10 April 2016. ↑ http://cnnphilippines.com/regional/2016/04/13/Aquino-Basilan-clash-Abu-Sayyaf-AFP.html ↑ http://cnnphilippines.com/news/2016/04/14/AFP-Abu-Sayyaf-ISIS-Basilan-clash.html ↑ http://cnnphilippines.com/news/2016/07/09/Thousands-flee-amid-Basilan-clashes.html ↑ Mogato, Manuel (14 April 2016).