19-year-old driver shot in lower abdomen on Highway 281 near downtown San Antonio; shooter in another vehicle, no motive found.

19-year-old driver critically injured after being shot in lower abdomen on Highway 281 near downtown San Antonio. The shooter, in another vehicle, fired at the victim's car while he was driving southbound. No motive or road rage history found so far. Highway temporarily closed, reopened after police investigation. Victim taken to hospital; shooter remains at large.