Prime Minister Lawrence Wong’s warning that radicalisation has become more complex underscores the importance of safeguarding Singapore’s social cohesion (Radicalisation threat now more complex, building trust remains key to S’pore’s cohesion: PM Wong, Oct 14).Yet, beyond preventing terrorist attacks, we should also consider another critical question: How prepared are we to manage the communal repercussions of an attack?International experience offers sobering lessons.In Christchurch, New Zealand, a white supremacist murdered 51 Muslim worshippers in 2019 and live-streamed his attack. The attack demonstrated how terrorism could exploit digital platforms to amplify hatred far beyond national borders.In Britain, the fatal stabbing of three...