Police are at the scene of a fatal ultra-light plane crash at Tatham, near Casino.

About 2.50pm a witness contacted emergency services after witnessing an ultra-light plane crash into a paddock.

Police and emergency services attended a rural area in the vicinity of Coraki Road and Smith Lane at Tatham (near Casino) and located the crash scene within a paddock.

Two males have died at the scene.

A crime scene has been established and detectives are en route to the location.