SANTA CLARA, Calif. (KGO) -- An attack after the 49ers season opener last Monday could result in big changes for fans at future games at Levi's Stadium.
Cellphone video shows a man in a Minnesota Vikings jersey getting pummeled by 49er fans last week.
VIDEO: 3 men arrested, 1 teen cited for assault on Vikings fan
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On Tuesday, Santa Clara City Council members will discuss what can be done to address safety issues. Among the options is stopping alcohol sales after halftime and bringing in extra officers.
Three men and a teenager have been arrested.
Fans at Levi's Stadium watch during the first half of an NFL football game between the San Francisco 49ers and the Minnesota Vikings in Santa Clara, Calif., Monday, Sept. 14, 2015. (AP Photo/Eric Risberg)