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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.

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Guest: Project director of the Lowy Institute’s Digital Threats to Democracy Project and expert on counter-terrorism, Lydia Khalil