The court decision overturns a lower court ruling nearly two years ago against extraditing Dymitro Firtash.
Heavily armed SWAT teams supported by hundreds of other officers detained 14 people suspected of having ties to the Islamic State group in early-morning raids.
The property, in the town of Braunau am Inn on the Austria-Germany border, has been the subject of a lengthy dispute between its elderly owner, Gerlinde Pommer and the Austrian government.
Far-right Austrian presidential candidate Norbert Hofer's campaign manager conceded defeat on Sunday to former Greens leader Alexander Van der Bellen.
The euro will no longer exist in its current form and will be replaced by a single currency shared by Germany, the Netherlands, Belgium and Austria.
Six European countries have confirmed outbreaks of a dangerous strain of bird flu, which has caused alarm in Germany where the H5N8 virus spread further on Thursday.
The European Commission gave a green light today three more months of Schengen border controls at 5 specific passages.
Germany, Austria and Sweden said that emergency border checks inside Europe’s free-travel zone should remain in place after a mid-November expiry as the EU continues to argue over how to deal with an influx of refugees and migrants.