Four middle school football players from Sanger were treated for burns Thursday night at Parkland Medical Center in Dallas.
The Sanger Middle School team was getting off a school bus after returning from an out-of-town game when a water hose on the bus broke, spewing antifreeze.
Six boys were burned and four of them had to be taken by helicopter to Parkland.
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Three of the boys were burned in their eyes and another was burned on both of his legs.
The two other boys who were injured were taken to hospitals in Denton.
All six of the boys were released Friday.
The bus was manufactured by Blue Bird, which is headquartered in Georgia. The company issued a statement saying that the model in question is called Vision and 30,000 of them have been sold to school districts nationwide. Six of the buses were delivered to the Sanger Independent School District in May 2008.
The company is investigating the incident, spokesman Brett Turner said.
"The first priority is the safety of those kids and then make sure it doesn't happen again," he said. "We have not heard of this happening anywhere else."
