Flydubai horror: Terror plot, Iran link? 5 chilling questions facing investigators

More than 24 hours after an attack aboard Flydubai flight FZ1073 from Dubai to Tel Aviv, key questions remain unanswered about the incident that shook Israel and drew global attention.The aircraft was diverted to Saudi Arabia after the Omani co-pilot allegedly attacked the captain in the cockpit and eventually landed safely in Tabuk. Investigators are now trying to establish the motive behind the attack, the identity and background of the alleged attacker, whether Iran had any role and how the incident was allowed to unfold aboard the flight.The flight departed Dubai at 6.05 am local time and was flying west towards Tel Aviv. About two hours after takeoff, it began losing altitude rapidly and turned sharply north, according to flight-tracking data.