Khairi Saadallah: MI5 ‘triaged’ terrorist four times but Reading stabbings could not have been stopped, inquest hears Despite the amount of intelligence the security service had on Khairi Saadallah, a senior manager at MI5 said no 'proportionate actions' could have been taken that would have prevented the terrorist attack.

(Sky News) MI5 “triaged” a violent offender four times before he carried out a terrorist knife attack and killed three men in a park in Reading, an inquest has heard.

The agency received intelligence including threats by Khairi Saadallah to “blow himself up” and to “commit suicide” and “take others with him” if he was not allowed to travel to Libya, the hearing was told.

On the last occasion, a year before the attack, the security service opened a “lead” investigation into Saadallah and made him a “subject of interest” — but the case was closed two months later.

However, a “senior manager” at MI5, known only as “Witness F” and who gave evidence from behind a blue screen at the Old Bailey, said the agency could not have stopped the attack.

Read more.