Youths are getting radicalised faster and subscribing to a more diverse range of extremist ideologies, the Internal Security Department said.  SINGAPORE: Dylan was in secondary school when he chanced upon a livestream of the 2019 Christchurch mosque attacks. The gunman, Brenton Tarrant, opened fire at two mosques, killing 51 people in an act of terror. While the world looked on in horror, the footage fascinated Dylan. At the time, he regularly watched gore videos and had grown desensitised to