Inmate dies at Martinez Detention Center

MARTINEZ -- The Contra Costa County Sheriff's Department announced late Tuesday the death of a person in custody at the Martinez Detention Center.

The entire tweet posted at 8:49 p.m. by the department's public information officer's account reads: "Contra Costa Sheriff's Office is investigating an in-custody death at the Martinez Detention Facility. Details will be provided tomorrow."

This is a developing story and more details will be shared when they become available.