Wrong ammo selection leads to casualties

A military demonstration in France that went awry has led to 17 casualties, including four in critical condition:

Four people including a child were in a critical condition today after live bullets were used instead of blanks during a French special forces open day, army and regional officials said.

Seventeen people were injured in total.

Fifteen civilians and two soldiers were injured in the incident, of which the details remained unclear, involving a demonstration by members of a marines parachute regiment of hostage liberation exercises, a regional authority, Bernard Lemaire, said.

Read the rest here. Assuming this was indeed an error in ammo selection, what a tragic outcome.