Now to the young woman struck by an Arizona police officer sent flying over a metal bench during a riot after Arizona's ncaa loss last weekend. The officer under investigation by the Tucson police and... See More
Now to the young woman struck by an Arizona police officer sent flying over a metal bench during a riot after Arizona's ncaa loss last weekend. The officer under investigation by the Tucson police and the woman in that video speaking out exclusively on "Gma" this morning. ABC's Cecilia Vega has her story. Reporter: It is the disturbing March madness video gone viral. A Tucson officer ramming an unsuspecting student knocking her down during last weekend's riot police were called in to quell after the university of Arizona's defeat. Watch again. The officer slams the young woman sending her flying over a bench. This morning in an ABC news exclusive, Christina is speaking out for the first time and showing off the injury she says she got when that officer pummeled her for what she says was no apparent reason. He hit me with kind of his whole body but had a baton so he kind of used that as his force. I was blindsided. Reporter: She says she was with friends walking on a sidewalk back to their car after Saturday's game. She says she did not cross police lines and was never told she could not be in the area. Next thing I know I was just like on a bench like my feet up in the air and I didn't really know what exactly just happened. Reporter: She was not arrested. Tucson police say the officer, 18-year veteran sergeant Joel Mann has received so many threats the department has since changed his assignment for his safety. Police telling ABC news, internal affairs is now investigating the video. Along with more than 100 hours of footage captured by police themselves and that the department will thoroughly investigate this incident to determine the facts and circumstances surrounding the department's response to the entire incident." While authorities say they've been in contact with Christina, she says she hasn't heard a word from police. What happened to me I consider is excessive force. Reporter: The one thing Christina says she wants now, an apology. For "Good morning America," Cecilia Vega, ABC news, los Angeles.
This transcript has been automatically generated and may not be 100% accurate.