Two youths are in custody following an isolated incident in Lutana a short time ago.

Police were called to Ashbolt Crescent just after 2pm, after two youths reportedly threatened two members of the public while in possession of a knife.

Nobody was physically injured during the incident, and the youths were quickly taken into custody at the scene.

The knife has been seized, and investigations are continuing.

Anyone with information should contact police on 131 444 or Crime Stoppers anonymously via 1800 333 000 or online at crimestopperstas.com.au