Austrian police: at least 20 dead migrants found in truck on road leading from Hungary

A truck stands on the shoulder of the highway A4 near Parndorf south of Vienna, Austria, Thursday, Aug 27, 2015. At least 20 migrants were found dead in the truck parked on the Austrian highway leading from the Hungarian border, police said. (AP Photo/Ronald Zak) (The Associated Press)

Austrian Chancellor Werner Faymann, German Chancellor Angela Merkel, European Union foreign policy chief Federica Mogherini and Bosnian Prime Minister Denis Zvizdic, from left, listen to a speech at the start of the Western Balkans Summit in the Hofburg palace in Vienna, Austria, Thursday, Aug 27, 2015. (AP Photo/Ronald Zak) (The Associated Press)

Police stand in fron of a truck parked on the shoulder of the highway A4 near Parndorf south of Vienna, Austria, Thursday, Aug 27, 2015. At least 20 migrants were found dead in the truck parked on the Austrian highway leading from the Hungarian border, police said. (AP Photo/Ronald Zak) (The Associated Press)

Austrian police say that at least 20 migrants have been found dead in a truck on a highway leading from the Hungarian border.

Police said Thursday the bodies were discovered a day earlier in the truck, which was parked on the shoulder of the highway.

No other details are immediately available.