What was intended to be a dazzling festive spectacle ended in injury to a 7-year-old boy after several drones unexpectedly fell from the sky during a show in Florida on Saturday night, according to CNN affiliate reports.

A Florida drone show went awry over the weekend when the flying devices crashed and fell out of the sky, frightening spectators—and injuring a young boy who was rushed to the hospital. Footage of the Saturday evening show at Lake Eola Park in Orlando posted to social media showed drones falling and crashing into each other as spectators shout,

A broader ban is worrisome for Americans for whom drones have become a part of their lives and work. It could disrupt wide-ranging operations, from law enforcement to mapping and filmmaking that drone operators say are viable because of the low cost and high performance of the Chinese drones. American-made drones just aren’t comparable, they say.

Members of Congress are calling for a ban on two major Chinese manufacturers who sell drones in the U.S. They argue they pose a threat to security and hurt the U.S. drone industry.