European Cities Warned Of Possible Terror Attack, Say Vienna Police Prison Planet.com Posted on December 27, 2015 Posted in Aggregated No Comments Tagged with Featured Stories, Tile CNN | The attacks would involve explosives or guns and occur sometime between Christmas and New Year’s Eve. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email