In-Custody Death Reported at Martinez Detention Facility

A 26-year-old inmate at the Martinez Detention Facility has died after deputies found him unresponsive late Saturday in a holding room, the Contra Costa County Sheriff's Office said.

The male inmate, whose name has not yet been released, was pronounced dead at the jail after deputies and medical staff unsuccessfully tried to revive him by performing CPR, according to the Sheriff's Office. An ambulance and fire personnel also responded to the medical emergency, which was reported about 11:27 p.m.

The Sheriff's Office and Contra Costa County District Attorney's Office is investigating the death.