An attack at a Western Sydney church last week was inextricably linked to social media. The bishop who was stabbed is a social media celebrity, the attack itself was live-streamed, and both the attack and the reaction may have been inflamed by online extremism. The Australian government is so concerned it has picked a fight with the global social media giants X and Meta, ordering them to pull down content about the attack. Today, counter-terrorism expert and Lowy Institute fellow Lydia Khalill, on the attack, whether it was an act of terrorism and how we can do more to prevent extremism. Socials: Stay in touch with us on Twitter and Instagram Guest: Project director of the Lowy Institute’s Digital Threats to Democracy Project and expert on counter-terrorism, Lydia Khalil