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Non-student knife fight a blemish on otherwise peaceful Underwear Run at CSU Fullerton

Fullerton Underwear Run Facebook page

A shot from the 2012 Underwear Run at Cal State Fullerton, held on campus May 17.

Last night’s 2012 Cal State Fullerton Underwear Run resulted in an estimated crowd of 4,500 people, lots of underwear-clad zaniness, some running, maybe a bit of drunkenness, a bloody knife fight and two arrests.

The unfortunate ending occurred just after midnight at a campus parking lot on Nutwood Avenue, the Orange County Register reports.

According to university police, the fight started when two men from La Habra pulled up to another group of men and started arguing with them. They then got out of the truck, pulled a knife and a fight ensued. The men in the truck were hurt, as were two others.

The two La Habra men, 20-year-old Armando Zermeno and 21-year-old Joseph Mercado, were disarmed by the other men before police arrived. They were taken to UCI Medical Center and treated, then booked at the Orange County Jail on assault charges, according to the Register.