BangaA 16-year-old shot two classmates, then himself.
It is the country’s third deadly school shooting since June.
The Philippines requires background checks for gun licenses, but illegal firearms still circulate widely across Mindanao.
South Cotabato’s governor urged parents to keep firearms away from minors, but proposed no new law.
Sources: Yahoo News, The New York Times, NDTV, Al Jazeera Online, Dawn