EU warns of new menace 25 years after 9/11 as online youths seek violent thrills

Unlike 25 years ago — when extremists, mostly from Saudi Arabia, entered the United States and trained to become deadly pilots — the terror threat facing Europe today is mostly organised online

Jihadist groups still pose a major threat to Europe, but 25 years after the 9/11 attacks a new menace driven by young people online is emerging