A Jet Airways Boeing 777 (VT-JEX) from Mumbai to London Heathrow lost communication with ATC above Germany, a British Airways Boeing 777 that was flying behind filmed the interception by the German Air Force.
https://youtu.be/RaAI_-50CKw
Jet Airways statement:
Contact between Jet Airways flight 9W 118, from Mumbai to London Heathrow, of February 16, 2017, and the local ATC, was briefly lost while flying over German airspace. Communication was safely restored within a few minutes. As a precaution, the German Air Force deployed its aircraft to ensure the safety of the flight and its guests. The flight with 330 guests and 15 crew subsequently landed at London without an incident.
Jet Airways has duly reported the matter to the concerned authorities including the DGCA. As part of the standard process, the flight crew of 9W 118 has been de-rostered pending investigation.