https://www.lbc.co.uk/article/mi5-knew-possible-plot-before-fishmongers-hall-attack-courts-told-DWyqhR_2/
MI5 knew of possible plot before Fishmonger's hall attack, courts told | LBC
MI5 had intelligence the Fishmongers' Hall terrorist was plotting an attack before his release from prison, a court has heard.
fishmonger s hall