The Harris County Sheriff's Office responded to the crash, which they say was caused by an intoxicated 19-year-old, around 7:30 p.m. on Friday.
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Deputies say the possible intoxicated driver failed to stop at a stop sign and hit an SUV at 18000 Crosby Freeway.
Moments later, another truck struck the 19-year-old's Ford vehicle.
Investigators say two pregnant women, who were passengers in the Ford vehicle, were injured and transported to the hospital by Life Flight.
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Five other people were also injured and transported to the hospital with serious injuries.
The 19-year-old driver was arrested and charged with intoxication assault.
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