NEVADA CITY,  California ABC 10 reports an  officer has been shot and Nevada County sheriff’s deputies are now reporting an active shooter situation in a state park in Nevada City.

The officer was shot Tuesday evening inside the Malakoff Diggins State Historic Park, according to Cal Fire officials.

Sacramento police report a department helicopter was sent just before 8 p.m. to assist in the investigation.

Investigators have only begun to receive information regarding the incident, according to officials.

The shot officer’s and the shooter’s condition are unknown at this point.

This is a developing story.