The Malaysia Airlines flight that crashed on Thursday morning in Ukraine was flying in open air space, Eurocontrol authorities said.
Ukrainian authorities had closed the area between the ground and 32,000 feet prior to the Malaysia Airlines crash Thursday morning, Eurocontrol said in a statement. The aircraft was flying above the closed area.
Eurocontrol said Ukrainian authorities closed all of the Eastern Ukrainian air space to commercial flights on Thursday afternoon.
"All flight plans that are filed using these routes are now being rejected by Eurocontrol," the organization said in a statement. "The routes will remain closed until further notice."
An advisor to the Ukraine interior minister told the Associated Press that a passenger plane carrying 295 people had been shot down within the country's borders.
The FAA told U.S. airlines in April to avoid flying in that region because of political unrest. The warning is in effect until next April.