- U.K. raises terror threat level to ‘severe’ after Europe attacksNBC News
- Four people ‘killed in cold blood’ in Vienna during night of terrorCNN
- ISIS claims responsibility for Vienna terror attack; assailant had previous convictionFox News
- The Guardian view on the Vienna attack: refusing divisionThe Guardian
- Manhunt still underway for suspects in Vienna attackCBS News
- View Full Coverage on Google News