(ABC 6 News) – Austin police responded to the 700 block of 9th Avenue SE for a mental health call involving a firearm.

According to chief David McKichan, a man fired one round from a 22-caliber rifle during the 2 1/2-hour negotiation.

He told the negotiators firing the gun had been accidental, and eventually surrendered to officers peacefully.

The man was transported to Mayo Clinic for “mental health and welfare reasons,” according to McKichan.

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(ABC 6 News) — At around 6 p.m. on Monday, ABC 6 News received word that there was a police standoff in Austin on 9th Ave SE.

It is unclear when the standoff started or the reason as to why it started.

ABC 6 currently has a crew on scene, and we will provide more information as it becomes available.

This is a developing story.