CLACKAMAS, Ore. – Police and TriMet are looking into an incident on a MAX train from last December after video of a girl being repeatedly hit was posted to the Internet.The incident took place on a MAX train in Clackamas County on Dec. 26. The victim says she boarded the train after shopping at Clackamas Town Center.TriMet says the assault was reported and police went to check out the incident, but when they arrived nothing was happening. No arrests were made and the victim of the assault, a 14-year-old girl, said she did not want to press charges.But a cell phone video of the teen being hit, screamed at and slapped by a group on the train has been making the rounds at local schools after being posted on YouTube. Eventually came to the attention of police and TriMet officials, who say they want to identify the attackers and ban them from riding the light rail line.In the video, no one steps in to defend the victim from her attackers and others can be heard clapping and cheering as the girl is repeatedly slapped and punched. At one point, the victim is seen cowering and holding her head in pain after several female attackers ganged up on her.