UPDATE (7 p.m.) - The Morro Bay Fire Department says crews on foot were unable to locate someone. The search has been called off.
According to CAL FIRE SLO, there were original reports of two people possibly on the rock.
Further investigation by air and ground crews determined that no individuals were located on the rock.
According to Morro Bay fire marshall, Matt Vierra, an engine was already on scene when the call for a cliff rescue came in. Paramedics were performing CPR on an unresponsive man.
However, Vierra says the two incidents are unrelated. The unresponsive man was taken to the hospital. His condition is unknown at this time.
Firefighters are searching for a climber on Morro Rock.
The Morro Bay Fire Department and CAL FIRE SLO have crews on scene hiking the rock in search of a possible climber.
So far they are unable to locate someone.
CHP H-70 flew multiple times around the rock, but could not find anyone according to Morro Bay Fire.
H-70 has been released from the scene.
Firefighters are conducting a final search of the area on foot at the top of the rock.