Police are searching for a man believed to be armed with a gun after shots were fired during an altercation on a Western ...

Significant police resources are being deployed to the town south of Perth, police say.

An 18-year-old man faces court charged with being armed in a way that may cause fear over an incident that sparked a major response from police in Pinjarra, south of Perth.

An 18-year-old has been taken into custody following a major police operation involving tactical response.

Heavily armed police sought an accused gunman in Pinjarra in an operation that lasted throughout Tuesday.

A search is under way for a man allegedly armed with a firearm in the vicinity of Pinjarra in Western Australia's Peel region.