Europe is facing an unusual security crisis, with a wave of bomb threats targeting passenger aircraft now spreading to major media organisations across the continent.Dozens of flights have faced bomb threats since the beginning of the week, triggering diversions, emergency security checks and fighter-jet escorts in several European countries.The crisis took a new turn on Friday, November 6, when Reuters reported that Irish broadcaster RTÉ, Britain's Sky and Bulgaria's Nova TV were among the media organisations that received security threats, prompting evacuations and disruption to broadcasting.The Associated Press reported that fighter jets were scrambled in Hungary to escort three threatened...