Gonzaga University warned students that "non-Mexican individuals" should keep from cultural appropriation that often happens on Cinco De Mayo.
Featured events at the festival include the chihuahua races Saturday at 2 p.m., the taco eating contest Sunday at 2 p.m. and the low rider auto show on Colfax all weekend long.
More than 100,000 people are expected to head to Old Town to enjoy the non-stop music and live entertainment.
The message concluded with a link where students were encouraged to study and employ "alternative ways to celebrate Cinco de Mayo". The dual event celebration lasts until 4 p.m.
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Riverside County sheriff's deputies, Murrieta police officers and other law enforcement officials Saturday will step up patrols to catch Cinco de Mayo celebrants who risk drinking and driving. There will also be a best dressed contest and racing forms.
Zona Blanca Ceviche in downtown Spokane is serving up grilled prawns, and Serrano and pineapple margaritas for the occasion as part of its Cinco de Mayo and spring celebration.
Just down the street from Threes Brewing, The Douglass bar is joining in on "Kentucky Derby De Mayo day". Free food and drinks will be provided. $40 suggested donation. Must be on the guest list in advance to enter.