lewis. a woman drove her door a crowd of people into the home coming parade turning the joyous football saturday into tragedy. reporter: happeningness turns into horror this morning went a kay careens into a crowd of people watching the homecoming parade. the main street intersection and stillwater, oak, became a triage center, filled with victims, and emergency responders. three people are now dead. 22 others injured. eight of them critically. seven more are in serious condition. >> at this point, the police department's accident reconstruction team is on the scene. we treat these like we would any homicide investigation. reporter: just hours later, a moment of silence is held at the school's center piece homecoming event. football game between nationally-ranked oak state university and university of kansas. police say the car's driver, who is not osu student be, is 25-year-old chambers. she is now under race for suspicion of drunk driving. >> of course, just devastated by this incredible tragedy. the oklahoma state homecoming parade is probably one of the most wholesome, happy events in the country, and to have it like to, and these victims, this terrible tragedy, we reac