The Dallas Cowboys' indoor practice facility collapsed during a thunderstorm on Saturday, injuring at least five, Xinhua reported.
An intense rain and storm was passing through the area when the roof of an air-supported bubble that covers a practice at the team's facility caved in, interrupting the team's mini-camp Saturday afternoon, local media said.
At least five people were injured, including special teams coach Joe DeCamillis and four support staff members. A couple of players suffered minor injuries.
Cowboys coach Wade Phillips said DeCamillis sustained some kind of neck injury and was taken to an area hospital by ambulance.
The other four injured suport personel were also hospitalized, one in critical condition.