It's also the equivalent of '13 Back To The Future DeLorean time machines'.

Witnesses said flight attendants ran down the aisle in tears looking for a doctor on board.

One Russian Su-35 aircraft flew close enough to trigger emergency systems on the Rivet Joint, including disabling the autopilot system.

During the Siege of Sarajevo in the 1990s, European tourists have been accused of paying to shoot at innocent civilians in the war-torn city.

The alert, which lasted for about an hour, also led to the closure of the airspace over Vilnius Airport.