A police officer in Louisville, Kentucky, was critically wounded during a traffic stop early Thursday when authorities say he was struck by gunfire from a nearby home.

The officer was hit in the torso while conducting a traffic stop around 2:30 a.m. in the 4000 block of Kentucky Street, Louisville Metro Police Chief Jacquelyn Gwinn-Villaroel told reporters at a news conference.

A supporting officer on the scene fired his weapon, but was not injured, Gwinn-Villaroel said.

Two people were seen being brought out of the home in handcuffs around 8:30 a.m., WDRB-TV reported. The names of the individuals were not immediately available.

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The injured officer is in critical but stable condition. Though the chief did not identify the injured officer, she said he has been with the department for a year and a half.

"We are praying for his speedy recovery," the chief said.

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The department’s hostage negotiation team, SWAT team and other support personnel were on the scene at the home where shots were fired at the officer, Gwinn-Villaroel said. 

Neighborhood residents were asked to stay inside as police investigated the shooting.

The chief said bodycam footage would be available in 10 days in accordance with protocol.

No additional details were immediately available.

Police said they were trying to persuade an alleged a gunman to surrender after a man was shot dead Thursday in a Western Australia state wheatbelt town.

The 25-year-old allegedly shot a man at a grain silo in Kellerberrin around 8:40 a.m. Thursday before fleeing the area, the Western Australia Police Force said in a statement.

Police issued an active shooter alert soon after, warning members of the public to remain indoors as officers searched for the alleged shooter.

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He was believed to be on foot, armed and dressed in camouflage clothing north of Kellerberrin, about 125 miles east of the state capital, Perth.

Police found him at a rural property several hours later.

"We are attempting to negotiate a peaceful resolution, however; the situation is still unfolding," a police statement said.

"Residents in the area are advised to remain alert," police added.

Annamaria Lucente, manager at Kellerberrin Hotel Motel, said the close-knit town of about 950 people remained locked down.

"The whole town is in shock," Lucente said.