MI6 was blamed for the failure of intelligence that took Britain to war after helping produce a dossier in which Tony Blair claimed that Iraq was ready to use weapons of mass destruction within 45 minutes.
Mr Inkster said the world was moving from “being policed by America to be policed by nobody” and the danger of an increasingly unstable world meant populations were likely to fall back on the “snake oil and voodoo” of religious and nationalistic movements