Union saddened by WA cop's death

The West Australian police union is supporting the friends and family of a police officer who died after a firearms incident.

At least five Defence Force members have been seriously injured in a bus crash in southern NSW. (AAP)

The WA Police Union has extended its deepest condolences to the family of an officer who died of a gunshot wound.

The union is supporting family and friends of the officer, who died after a firearms incident while he was on duty on Kalgoorlie's outskirts on Friday evening.

"We will continue to work with WA Police to ensure the best possible outcome for all involved, given the circumstances.

"We extend our deepest condolences to the member's family, friends and colleagues," union president George Tilbury said in a statement on Saturday.

Investigators said earlier the incident was not being treated as suspicious.

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