KIEV, Feb. 15 (Xinhua) -- Investigators haven't eliminated terrorism as the cause of a plane crash that killed five soccer fans near Donetsk, the Ukrainian prosecutor's office said Friday.
"We are considering the possibility of terrorist attacks as three passengers on this flight were not registered," Deputy Prosecutor General Viktor Voytsishen said at a press briefing.
Among other possible causes of the Wednesday crash landing of the small, Soviet-designed AN-24 aircraft were pilot and dispatching service errors, bad weather, poor condition of the plane and defective airport equipment, Voytsishen said.
Deputy Prime Minister Alexandr Vilkul, who is leading an investigation into the crash, said the probe will take at least 10 days.
On Wednesday, the plane enroute from the southern resort of Odessa with 52 people aboard crashed while landing at the Donetsk airport.
The five victims all were soccer fans heading for a European Champions League match between Germany's Borussia Dortmund and Shakhtar Donetsk.
Nine others were seriously injured in the crash.