Unauthorized fireworks reportedly triggered a mass horse stampede during a late-night rehearsal for Italy's Republic Day parade in Rome, injuring riders.
https://www.foxnews.com/world/fireworks-reportedly-trigger-mass-horse-stampede-rome-streets-injuring-several-soldiers
https://www.foxnews.com/world/fireworks-reportedly-trigger-mass-horse-stampede-rome-streets-injuring-several-soldiers