This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

San Francisco police have arrested a 20-year-old man they say recorded a viral video of an elderly man collecting recyclables being taunted, attacked and robbed.

Dwayne Grayson was booked Thursday on suspicion of robbery, elder abuse, a probation violation for a prior robbery conviction and a hate crime enhancement, according to the San Francisco Police Department. He is being held without bond, custody records show.

The incident occurred about 5:30 p.m. Saturday in the Bayview neighborhood. A video, which went viral after being posted to social media, shows a man striking the victim, identified as a 68-year-old Asian man, in the head with a metal pole.

Authorities did not specifiy what role Grayson played, but they say he recorded the encounter and posted it to social media.

Read the full story on