The hearing, at London’s Royal Courts of Justice, was told that CCTV footage showing a slow response by armed police and security staff was withheld by authorities and would not be available.
Seifeddine Rezgui killed 30 British Tui clients and eight foreign nationals with a machine gun and grenades in the attack at the RIU Imperial Marhaba Hotel in Sousse in June 2015.
Counsel to the inquest, Samantha Leek QC, said that footage of the area had not been made available to the inquest despite requests to the police and an investigating judge.