Dryden Police are investigating an assault at the Dryden McDonalds. The incident was captured on video and immediately went viral on social media. It shows a young man abusing a customer who was sitting down to eat. Police Chief Rob Davis says the incident was reported yesterday night but he believes the attack happened before that day. Davis is asking the public for help to identify who shot the video of the assault or who witnessed the incident. He says they have been able to identify the victim and the accused and notes charges are likely going to be laid.