MAPPED: How dozens of bomb threats caused flight chaos in Europe this week

Detailed summary

Whether the "malicious hoax threats" are linked and who they came from aren't clear, but analysts have some ideas.

Fighter jets were scrambled as dozens of passenger flights were targeted by hoax bomb threats across Europe this week, from Ireland to Bulgaria. Based on statements from airlines, airports, governments, and police forces, Business Insider confirmed 35 airplanes that were threatened.

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