The content originally appeared on: CNN (CNN) - Two air force fighter jets escorted a Singapore Airlines plane traveling from San Francisco to Changi Airport after a passenger made a hoax bomb threat. 'Earlier today, two of our F16C/Ds were activated to escort a Singapore Airlines flight that departed San Francisco for Singapore. This was because of a suspected bomb threat on board the aircraft,' the Singapore Air Force said Wednesday. 'Our fighters escorted the airliner till it landed safely […]