![German riot police detain a group of Germany supporters during the Group B Euro 2008 match between Germany and Poland in Klagenfurt June 8, 2008. Potentially violent fans from Germany, Austria and German riot police detain a group of Germany supporters during the Group B Euro 2008 match between Germany and Poland in Klagenfurt June 8, 2008. Potentially violent fans from Germany, Austria and](https://c8.alamy.com/comp/2E72RAC/german-riot-police-detain-a-group-of-germany-supporters-during-the-group-b-euro-2008-match-between-germany-and-poland-in-klagenfurt-june-8-2008-potentially-violent-fans-from-germany-austria-and-poland-are-heading-to-klagenfurt-austrian-police-said-on-sunday-and-officers-are-expecting-further-clashes-like-those-seen-in-the-city-centre-last-night-reutersnikola-solic-austria-2E72RAC.jpg)
German riot police detain a group of Germany supporters during the Group B Euro 2008 match between Germany and Poland in Klagenfurt June 8, 2008. Potentially violent fans from Germany, Austria and
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A policeman stands at the entrance of the Lauder Chabad School in Vienna November 26, 2006. Austrian police on Sunday detained a man suspected of breaking into a Jewish community school overnight
![An Austrian police officer looks on as forensic experts walk into the backyard of a house in Amstetten, where Josef Fritzl imprisoned his daughter for 24 years and fathered her seven children, An Austrian police officer looks on as forensic experts walk into the backyard of a house in Amstetten, where Josef Fritzl imprisoned his daughter for 24 years and fathered her seven children,](https://c8.alamy.com/comp/2E724ND/an-austrian-police-officer-looks-on-as-forensic-experts-walk-into-the-backyard-of-a-house-in-amstetten-where-josef-fritzl-imprisoned-his-daughter-for-24-years-and-fathered-her-seven-children-in-eastern-austria-may-5-2008-fritzl-73-has-admitted-keeping-his-daughter-elisabeth-in-a-cellar-for-24-years-three-of-her-children-had-spent-their-entire-lives-underground-until-the-case-was-uncovered-just-over-a-week-ago-reutersherbert-neubauer-austria-2E724ND.jpg)
An Austrian police officer looks on as forensic experts walk into the backyard of a house in Amstetten, where Josef Fritzl imprisoned his daughter for 24 years and fathered her seven children,
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Police officers patrol near the site of a gun attack in Vienna, Austria, November 5, 2020. REUTERS/Leonhard Foeger Stock Photo - Alamy
![Armed police officers patrol near the site of a gun attack in Vienna, Austria, November 4, 2020. REUTERS/Leonhard Foeger Stock Photo - Alamy Armed police officers patrol near the site of a gun attack in Vienna, Austria, November 4, 2020. REUTERS/Leonhard Foeger Stock Photo - Alamy](https://c8.alamy.com/comp/2D9AX3Y/armed-police-officers-patrol-near-the-site-of-a-gun-attack-in-vienna-austria-november-4-2020-reutersleonhard-foeger-2D9AX3Y.jpg)