A student live-streamed himself shooting and killing another student in a classroom in the southern Philippines on Tuesday (Aug 18) before taking his own life, an official said, in the second school attack in the country in less than two months. Philippine President Ferdinand Marcos Jr ordered law enforcement agencies to investigate and to determine measures to be taken to prevent violence in schools. Experts have raised concerns about the potential influence of online gaming communities and extremist networks on vulnerable young people. Angel Redoble, chairman and founding president of the Philippine Institute of Cyber Security Professionals, discusses on CNA’s Asia First the warning signs that may have been missed and why investigations should look beyond the immediate crime in order to prevent future school attacks. Subscribe to our channel here: https://cna.asia/youtubesub Visit our website: https://cna.asia Download our app: https://cna.asia/app Get our editors' picks of stories via chat apps: Telegram: https://cna.asia/telegram WhatsApp: https://cna.asia/whatsapp Follow us on these platforms: https://www.facebook.com/channelnewsasia https://www.instagram.com/channelnewsasia https://www.tiktok.com/@channelnewsasia