Other people in custody alerted deputies around 2:20 p.m. that the man was experiencing medical distress, according to the San Diego County Sheriff’s Office. Deputies found him disoriented but responsive in the dayroom area and took him to the jail’s medical clinic for evaluation.

While at the clinic, the man experienced further medical distress, and medical staff and deputies began lifesaving measures, officials said. Paramedics and San Diego Fire-Rescue Department personnel took him to a hospital, where he was pronounced dead around 9:15 p.m.