Bomb threats pose a major question of Europe. But what’s the answer? | CNN

Officers patrol outside the Giovanni Pascoli state middle school in Rome, Italy. Hundreds received hoax bomb threats. See all topics Email Link Copied!

An unprecedented wave of bomb threats across Europe has left the bloc struggling to respond, as it remains unclear who is behind the incidents.

The threats, which are mainly understood to have been sent via emails and have so far all proven false, have impacted multiple media broadcasters, more than 50 flights, thousands of schools and at least one cruise ship across the continent, posing an increasingly urgent security challenge for European authorities.