Terror threat is real

France is on a high terror alert as it prepares to host the month-long Euro 2016, which opens on Friday and is expected to attract two million visitors.

With matches spread across 10 venues in nine cities, the country is under a state of emergency, and security forces have launched an enormous operation to prevent any repeat of the jihadist attacks that killed 130 people in Paris last November.

Here are the stakes as France braces to be under the global microscope for this international soccer showcase: