And next tonight, that dramatic cash on the race track, more than a dozen fans injured by flying metal, even though they were behind a protective fence. Abc's ryan owens now on the question of keeping... See More
And next tonight, that dramatic cash on the race track, more than a dozen fans injured by flying metal, even though they were behind a protective fence. Abc's ryan owens now on the question of keeping fans safe. Reporter: Drivers know the risk. They're behind the wheel of a car that can go from zero to 100 in less than three seconds. That danger was on full display during the final lap of the grand prix of houston sunday. Cars bump, one goes airborne tearing into the fence designed to protect fans. Watch the crash from their seats. Twisted metal and rubber rained down on them. A piece of fence had landed to where a lady was trapped underneath it. So she was very lucky and when we walked over here, she was crawling underneath the fence to get out. Reporter: The man inside this car, three time indy 500 winner dario franchitti remains in a houston hospital tonight. His wife, actress ashley judd, rushed to his bedside. Fortunately the fans who were in these be stands were not seriously injured. It's not like it's the first time something like this has happened. In february, 28 spectators were injured by flying debris at daytona. Back then none other than dario frankiety treated there has to be a better solution. Some suggest adding a wall of shatter proof glass to protect fans or replace the fence with a chain link curtain that can absorb the impact and keep the danger on the track. Ryan owens, abc news, houston.
This transcript has been automatically generated and may not be 100% accurate.