Having followed up inadequately on tip by Slovakian authorities about Kujtim Fejzulai, Chancellor Kurz says country can't allow that to recur

Slovak intelligence informed Austria that gunman Kujtim Fejzulai was trying to buy ammunition, but 'something apparently went wrong,' says Austrian interior minister

Terror group releases video of alleged gunman Kujtim Fejzulai pledging allegiance to caliph, hails him for targeting 'gatherings of Crusaders' in Austrian capital

Austrian police detain 14 after shooting rampage that killed 4; Kujtim Fejzulai, 20, posed on Instagram with weapons before attack, wore fake explosive belt, was IS sympathizer

Austrian police reportedly not treating incident as a hate crime, believe it was an altercation between rival soccer fans

Interior minister says assailant was Austrian-North Macedonian dual national who sympathized with Islamic State; 4 killed in attack, 17 hurt; Israeli envoy: 'A difficult evening'

Czech police set up border inspections, increase security at Jewish sites; European leaders express solidarity with Austria, vow not to give in to 'hate'

Austrian police say attacks at 6 different locations, including near synagogue; Jewish leader says no casualties among community members; attacker apparently shouts 'Allahu akbar'

Karl Lueger led city in early 20th century and was a role model for Hitler; now anti-racist activists are demanding removal of monument in his honor

Community head Oskar Deutsch hails annual grant of €4 million as 'historic step' that anchors Jewish life 'as a natural and inseparable part of Austria'