A previous version of this article incorrectly said five people who were injured in the crash had been in critical condition. It was not clear what condition those people were in Saturday night. The article has been corrected.

A racecar lost control and struck spectators in Kerrville, Tex., on Saturday, killing a 6-year-old and an 8-year-old and leaving six injured, authorities said.

Four of the injured were transported by air ambulances to treatment facilities in Austin and San Antonio, including two women in critical condition and a man in unknown condition. The 34-year-old driver, who was transported to San Antonio Medical Center, is in stable condition, according to a statement from the Kerrville Police Department. Two other people were treated at the scene and released shortly after.

Four children were among those injured or killed. The 6-year-old boy died at the crash scene, and the 8-year-old boy was transported to Peterson Regional Medical Center, where he was pronounced dead. A 4-year-old boy and a 3-month-old girl were taken to that hospital for “precautionary evaluations,” police said.

Kerrville police, who are investigating the crash, have not disclosed the victims’ identities. Authorities from the Kerr County Sheriff’s Office said two children are dead, according to Fox affiliate KABB.

The sheriff’s office and the medical center declined to comment.

The “Airport Race Wars,” organized by Ross Dunagan of Flyin’ Diesel Performance, is billed on a promotional webpage as “an action packed, family-friendly day of all out No Prep Drag Racing.” An earlier iteration was held in March and attracted about 3,000 spectators and 150 cars, the Hill Country Community Journal reported.

“There were kids all over the place with funnel cakes and other things in their faces all day,” Dunagan told the Journal in March.

Dunagan — who owns the diesel vehicle repair business — could not be immediately reached for comment Saturday night, but he shared a video on Facebook confirming the crash and asking for people to “please pray for everyone involved.”

“Medical personnel are doing everything they can, and they’re taking care of the entire scene,” he said. “So we cannot give any updates on anything. … We’re taking care of it. The race is shut down.”

Brittany Lehmann, whose husband participated in one of the earlier races, told the Kerrville Daily Times that the crash appeared to have happened after the vehicle crossed the finish line — an area where there were no barriers.

Lehmann, who was watching the race with her three children, said people ran as black smoke came out from the scene. An ambulance that was already on-site and other first responders “arrived very quickly.”

“They said, ‘Get your children out of here,’ ” Lehmann told the Daily Times.

The Kerrville-Kerr County Airport, where the event was held this weekend, is about 60 miles northwest of San Antonio.

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