A self-radicalised 14-year-old planned a mass-casualty stabbing attack at his secondary school, drafted a 21-page manifesto and intended to livestream the violence before taking his own life.He is the youngest person ever detained under Singapore's Internal Security Act (ISA). The teen was arrested in May, about a month before he planned to launch the attack during the June school holidays, the Ministry of Home Affairs (MHA) said on Monday (July 27).His case was one of three youth radicalisation cases announced by the authorities. The other detainees were a 15-year-old ISIS supporter who aspired to establish a violent «Malaya Caliphate» in Southeast Asia and a 19-year-old who allegedly plotted attacks against SAF personnel and LGBTQ students.All three individuals, aged 14, 15 and 19, were self-radicalised online by violent extremist ideologies and had planned to conduct attacks in Singapore.The 14-year-old non-Chinese Secondary Two student had planned on conducting a mass-casualty stabbing attack at his school during the June holidays. Read more