Emergency services are currently searching for a young teenage boy who became separated from friends while riding on a mountain bike trail in the Ourimbah State Forest.
The large-scale operation is underway at Wyong Creek, with crews staging near Red Hill Road off Yarramalong Road.
Volunteer Rescue Squad personnel, NSW Police and Fire and Rescue NSW are on scene, while PolAir has also been deployed to assist in the search from the air.
Authorities are continuing efforts to locate the missing teen as the operation remains active.