10:35 EDT, 7 April 2021 Two convicted terrorists accused of assaulting a prison officer may be 'forced' to attend court after they refused to leave their cells to answer the charges today. Parson's Green Tube bomber Ahmed Hassan, 21, and Hashem Abedi, the 23-year-old brother and accomplice of the Manchester Arena suicide bomber, did not appear in court. The pair are accused, alongside Muhammed Saeed, 23, of assault occasioning actual bodily harm on prison officer Paul Edwards at HMP Belmarsh on May 11 last year. Saeed, who last year pleaded guilty to five counts of possessing terrorist material, appeared via video link at Westminster Magistrates' Court.