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The National Transportation Safety Board is investigating an accident in which a 7-year-old Florida boy was struck by at least one drone at a holiday airshow over the weekend, resulting in him having to undergo open-heart surgery.

The NTSB on Wednesday said it was investigating the Saturday night malfunction at an aerial light show in Lake Eola Park in downtown Orlando.

Adriana Edgerton and Jessica Lumsden, parents of Alexander, said one of the red and green-lit drones struck him and knocked him out upon impact, causing a chest injury, Fox Orlando reported.

Hundreds of drones being used as part of a Saturday night aerial light show in Lake Eola Park in downtown Orlando appeared to be flying into position before several started falling from the sky before slamming to the ground, according to videos posted online. 

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A 7-year-old boy has undergone heart surgery after he was struck by a falling drone, his parents said.

Alexander, a 7-year-old boy, has undergone heart surgery after he was struck by a falling drone during a holiday airshow in Orlando, his parents said.  (Fox Orlando )

“Before they went down, the green one went straight at us. I went to the left. My son went to the right, and it hit my son,” Lumsden told the news outlet. 

Fox News Digital has reached out to the boy’s parents. 

The city canceled the show after the drones crashed.  

“Due to technical difficulties, the 8 p.m. Holiday Drone Show at Lake Eola has been canceled. We apologize for any inconvenience,” the city posted on X. 

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several drones crashed during an aerial show in orlando, florida (2)

Several drones malfunctioned during a drone show in Orlando, Florida on Saturday, sending the unmanned aerial objects crashing to the ground. (Credit – X/MosquitoCoFL)

It was not clear what led to the drone difficulties. 

The vendor for the drone show, Sky Elements Drones, told the news outlet it wanted to extend “our sincere hope for the full and speedy recovery to those impacted” at the show. 

“The well-being of our audience is of the upmost priority, and we regret any distress or inconvenience caused,” the company said. “We are diligently working with the FAA and City of Orlando officials to determine the cause and are committed to establishing a clear picture of what transpired. Millions of people see our shows annually, and we are committed to maintaining the highest safety regulations set forth by the FAA.”

several drones crashed during an aerial show in orlando, florida

Several drones malfunctioned during a drone show in Orlando, Florida on Saturday, sending the unmanned aerial objects crashing to the ground. (Credit – X/MosquitoCoFL)

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The Federal Aviation Administration (FAA) is investigating the malfunction. 

Drone arrays and light shows are subject to FAA regulations and typically require a waiver to a regulation that prohibits operating more than one drone at a time, the agency said. 

Fox News Digital’s Greg Wehner contributed to this report.