SANTA ROSA, Calif. (AP) — Police in Northern California say officers arrested a 21-year-old man who allegedly assaulted at least five people at a medical center, then stripped off his clothes and fled naked down the street.

The Press Democrat reports (http://bit.ly/2wiv0m6 ) police arrested Joshua Fajardo Tuesday for assaulting patients and office staff at Santa Rosa's St. Joseph Health pulmonary medical office.

Authorities say that after crashing his car nearby, Fajardo entered the clinic and immediately punched a 56-year old man sitting in the waiting room. They say he also punched a doctor who tried to calm him, threw a 61-year-old patient to the ground and punched other people. He allegedly fled out the back door when officers arrived.

Santa Rosa police suspect Fajardo was involved in two other incidents earlier Tuesday and that he was under the influence of drugs.

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Information from: The Santa Rosa Press Democrat, http://www.pressdemocrat.com