Appellant Steven Powles QC Tatyana Eatwell Margherita Cornaglia (Instructed by Bark & Co) Respondent David Perry QC Paul Rogers Kathryn Howarth Emilie Pottle (Instructed by CPS Counter Terrorism Division (Westminster)) Intervener (Redress) Sudhanshu Swaroop QC John Bethell (Instructed by Hogan Lovells International LLP)