Bomb threats have been sent into European airlines for the third day this week, leaving dozens of flights disrupted and thousands of travellers inconvenienced, as the apparently coordinated disruption spreads to threats against broadcasters. At least 20 flights were diverted, grounded, or inspected by bomb disposal experts across Europe on Friday as the continent’s air travel system was again hit by a wave of what appear to be, again, vexatious bomb hoaxes. It is the third day multiple flights have been disrupted across Europe this week, with over 50 flights targeted with emails claiming planted bombs since Monday. While earlier...