Flights set to resume Wednesday , according to statement . Preliminary investigations suggested that gas canisters aboard the balloon exploded , causing it to plummet about 1,000 feet ( 300 meters ) to the ground . All flights grounded since tragic aircraft accident . Luxor is among Egypt 's top tourist destinations .
Flights set to resume Wednesday , according to statement . All flights grounded since tragic aircraft accident . Luxor is among Egypt 's top tourist destinations .