En vennligsinnet etterretningstjeneste har advart europeiske kolleger om faren for et terrorangrep i tiden før nyttår. Advarselen tas alvorlig og sikkerheten er skjerpet i flere hovedsteder.
«In the days before Christmas a warning was sent out by a friendly (intelligence) service to numerous European capitals, saying that it could come to an attack involving explosives or a shooting between Christmas and the New Year in crowded spaces.»
The police asked Austrians for their understanding of the need for more security controls.
Extra steps include surveillance in crowded spaces, «especially at events and traffic hubs» as well as intensive identity checks and higher alertness for objects which could carry explosives such as bags or «bicycle frames», it said.
Vienna police were not immediately available for further comment.
A spokesman for the German Interior Ministry said it did not comment on particular situations for operational reasons.
«Germany is still in the crosshairs of Jihadist terrorism,» he said, adding the country had reviewed and adapted its security measures, where necessary, following the Paris attacks.