An alleged member of an Islamic State hostage-taking cell nicknamed “The Beatles” has been charged with terrorism offenses in Britain on Thursday after being deported from Turkey.

A jury has convicted a British national for his role in an Islamic State group hostage-taking scheme that took roughly two dozen Westerners captive a decade ago.

A hostage who survived more than a year as a captive of the Islamic State is testifying about the beatings and torture inflicted on him by his captors.