Bloody confrontation after an NFL game in California

A violent clash broke out at an In-N-Out restaurant in California after an NFL preseason game. Shocking videos show fans wearing San Francisco 49ers jerseys clashing with fans wearing Las Vegas Raiders jerseys. The incident occurred near Levi's Stadium, where the 49ers were playing the Los Angeles Chargers. An individual is seen with a sharp object attacking a person on the ground. Two arrests have been made, and police are looking for up to 10 more individuals. Two victims were stabbed and taken to hospital. The reasons for the confrontation remain unknown