Mayor Roger Brossmer will serve as keynote speaker at a silent auction charity event Saturday to benefit Walk Now for Autism Speaks, a nonprofit organization that raises money for autism research and advocacy. The auction is from 3-6 p.m. at the Woman's Club of Downey.

Raffle tickets are $2 each or three for $5. Prizes include a flat-screen TV, restaurant gift certificates, spa packages, dinner and movie packages, and more.

Admission to the auction is $25. For tickets, contact Henry Lai at henrywlai@gmail.com or Dr. Julie Ton at jton@dusd.net.