5. "Austrian police arrest man allegedly planning terror attack

"Police in Vienna have arrested a terror suspect believed to have planned an attack in the Austrian capital. The city has been on high alert since a terrorist rammed a truck into a Berlin Christmas market in December."

6. Austria arrests 14 suspects over 'Islamic State' links

"Some 800 police officers have participated in raids in Vienna and Graz, including two unofficial mosques. Justice ministry officials said the suspects attempted to "create of a kind of theocracy in Austria.""