A commercial flight travelling from Dubai to Israel was forced to make an emergency landing after an apparent brawl between its pilots. The flight was in Jordanian airspace when it diverted to Saudi Arabia, after the plane fell 16,000ft in two minutes during the incident, which raised fears of an attempted hijacking. Authorities are investigating a number of lines of inquiry including a hijacking attempt or a mental health incident. Lucy Hough speaks to the Middle East correspondent Will Christou