It all depends on the situation. After the mass shooting in the Colorado movie theater, a single firecracker in a theater would trigger panic, even 10 years later. Given the tension in DC right now, a firecracker would also be mistaken for gunfire. In other words, the sound of what could be a gun firing is equivalent to someone shouting "Fire," because it could cause a dangerous stampede.
It all depends on the situation. After the mass shooting in the Colorado movie theater, a single firecracker in a theater would trigger panic, even 10 years later. Given the tension in DC right now, a firecracker would also be mistaken for gunfire. In other words, the sound of what could be a gun firing is equivalent to someone shouting "Fire," because it could cause a dangerous stampede.
Firecrackers inside a movie theatre?
Now you’re making stuff up