At least 12 bomb threats rock European skies as fighter jets scramble, flights make emergency landings. Passenger plane diverted to French military base, 3 planes forced to land in Bulgaria, fighter jets scrambled to escort flight to Rome; threats also received on 4 flights en route to Prague; incidents follow 7 false bomb threats Tuesday, … At least 12 bomb threats rock European skies as fighter jets scramble flights make emergency landings
