(CNN) -- Three people were pronounced dead at the scene of a shooting in Austin, Texas, on Sunday, according to tweets from Austin-Travis County EMS.

The shooting appears to be "a domestic situation that is isolated," a tweet from Austin police said.

Police identified the suspect, still at large, as Stephen Nicholas Broderick, 41.

It is unknown if Broderick fled on foot or in a vehicle, and authorities are concerned that he could be hiding or take a hostage, according to Austin Police Interim Chief Joseph Chacon.

"Obviously this is tragedy. We have people who have lost their lives out here," Chacon said. "The danger still remains high at this point."

Broderick is a former Travis County Sheriff's Office detective who was charged with the sexual assault of a child, Travis County Sheriff's Office spokeswoman Kristen Dark told CNN.

Austin-Fatal Shooting

This photo provided by the Austin Police Department shows Stephen Broderick, 41. Broderick is wanted in the fatal shooting of three people in Austin, Texas, and police officials searching the surrounding area Sunday, April 18, 2021, warned residents that the suspect might take a hostage. Interim Austin Police Chief Joseph Chacon said the suspect, Stephen Broderick, was considered armed and dangerous. He asked area residents to continue to shelter in place and to call their neighbors to check on them. (Austin Police Department via AP)

Dark said Broderick resigned from the department last year after he was arrested and charged with sexual assault of a child. He was arrested June 20 and released on bond the same month.

CNN has reached out to the Travis County prosecutor for more information and is working to obtain the affidavit in the case.

Austin police, fire and EMS responded to the city's Great Hills Trail and Rain Creek Parkway area around 11:42 a.m. Sunday, where they found three people suffering gunshot wounds, according to officials.

The shooting was targeted and the three victims -- two women and one man -- knew Broderick, according to Chacon. A child was involved but has been located and is safe, he added.

Residents are advised to continue to shelter in place as the search for the suspect continues, Chacon said.

The suspect's motive is currently unknown.

This is a developing story and will be updated.

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