Investigations have begun into Greece’s worst ever air crash, in which all 121 people on board a Cypriot airliner died. The Boeing 737 jet hit a hill near Athens after the pilots apparently fell unconscious after a sudden drop in cabin pressure.

Greek F-16 fighter jets were scrambled when contact with the Helios Airways plane was lost during a flight between Larnaca in Cyprus and Athens.

The plane’s two black boxes have now been recovered andiInvestigators seem likely to examine whether a sudden depressurisation in the Boeing’s cockpit overcame the pilots before they could take on oxygen and bring the aircraft to a lower, safer altitude.
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