Authorities have cancelled the singer’s three shows in Vienna after foiling a terrorist threat. In an environment of rising global tensions, vigilance is key.

While there has been a surge of terror plots in Europe in recent months, an attack on the Olympics would require a group to have the intent, capability and opportunity.

Sydney has seen two stabbing incidents within days of each other. Grim comparisons are inevitable, but what makes them different?

Many people in Yemen and throughout the Middle East believe terror groups are a tool that Western-backed oppressive regimes have long used to maintain power.