This report presents the key findings from the London Roundtable on “Understanding the Impact of Terrorist Event Reporting on Countering Violent Extremism”. The event was held at the Australian High Commission in London on 30-31 January 2018. The roundtable brought together media practitioners, CVE and PVE front line practitioners, policy-makers and academics drawn from Australia, the United Kingdom, Belgium, France, Germany, Sweden, Norway, Finland and the United States of America. Other attendees included representatives from various Australian and British Government departments and New Scotland Yard. This report provides summaries of each of the panel discussions that were delivered at the roundtable, before drawing out the key themes, which emerged and policy recommendations.