Kern County Sheriff's Department's Public Information Officer Ray Pruitt told 23ABC that the victim of the gunshot wound was an inmate.
The prison is located at 3000 West Cecil Avenue in Delano, Calif..
The prison is located about 2 miles southwest from North Kern State Prison where a correctional officer was shot in the chest on Monday
Tyler Townsend with the Kern County Fire Department confirmed that officials were headed to the prison to aide the inmate.
A medi-vac helicopter was called out to transfer the injured inmate.
The condition of the inmate is unknown at this time.
Authorities are very early in their investigation and are not releasing any more information at this time