By Michelle Tuccitto Sullo
NEW HAVEN >> Police have launched an internal affairs investigation into an incident during the St. Patrick’s Day parade Sunday in which a 15-year-old girl was injured when an officer took her to the ground while arresting her.
The incident was caught on video by bystanders.
In the videos, the officer can be seen standing behind the girl, identified by her family as Teandrea Cornelius. Both are standing behind a parked vehicle.
In the moments that follow, the officer appears to pull the girl by her arm onto the ground, which she hits with her right shoulder and the right side of her face.

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