A massive brawl broke out between the fans of San Francisco 49ers and Las Vegas Raiders at an In-N-Out Burger which ended in two people getting stabbed early Saturday and the suspect escaping from the scene.

Videos of the brawl, where sharp objects were seen being used inside the fast-food restaurant in Santa Clara, California, went viral on the internet. The fight broke out after the Chargers beat the 49ers 23-12 in a pre-season game at Levi’s Stadium, situated near the restaurant.

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Here are few videos of the fight:

The Santa Clara Police Department received a report of a large fight and responded to the fast food restaurant on Mission College Boulevard on Saturday. Several people were detained by the police but the authorities are still looking for a suspect.

The videos showed at least 10 fans in NFL jerseys fighting tooth and nail with each other. At one point, three men were seen surrounding a shirtless guy on the floor. While one of them had some kind of a sharp object in their hands, others beat him senseless with their fists.

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A second person was also knifed at some point that was not caught on video. Both the victims of stabbing were rushed to a local hospital. They were treated for injuries that were not life-threatening.

A week back, the preseason game between 49ers and Denver Broncos descended into chaos when a big brawl broke out in the stands between the fans.

As the 49ers and Broncos battled it out on the field, a fight ensued among the spectators at the Levi’s Stadium. Although it is rare to see fans from the same team get in a nasty brawl, such a sight unfolded on Saturday, which ultimately ended in a knockout.

According to Outkick, a Broncos fan also got into the mix for a bit as the brawl started but he was quickly sidelined and the main fight continued between fans of the same team. On Saturday night the fight got messy fast, as one saw lots of pushing, shouting and confusion before blows were exchanged. Some zoomed photos showed a man bleeding from the mouth and his white t-shirt covered in dark, red droplets.