Europol’s latest EU Terrorism Situation and Trend Report (TE-SAT) found that while terrorist activity in Europe remained stable in 2020, more jihadist attacks were completed than stopped, as policing across the continent struggled to cope with the pandemic; Policing Insight’s Sean Howe looks at some of the key issues highlighted by the report, including the increase in radicalisation during COVID-19, and the growth of online extremist propaganda.