Biztonságpolitikai tanácsadó: Egyre népszerűbbek az iszlám szélsőséges irányzatai a Balkánon
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VIENNA, AUSTRIA - NOVEMBER 02: Heavily armed police stand outside the Vienna State Opera following shots fired in the city center on November 02, 2020 in Vienna, Austria. Police blocked off nearby streets around Schwedenplatz square and urged people to stay away in what seems to be an ongoing event possibly involving several attackers. (Photo by Michael Gruber/Getty Images)