MAS295; Police officers guard the scene in Vienna, Austria, Tuesday, Nov. 3, 2020. Police in the Austrian capital said several shots were fired shortly after 8 p.m. local time on Monday, Nov. 2, in a lively street in the city center of Vienna. Austria's top security official said authorities believe there were several gunmen involved and that a police operation was still ongoing. (AP Photo) AP / LEHTIKUVA / MATTHIAS SCHRADER