Police in Colorado have identified an officer killed in the line of duty early Sunday.

Officer Dillon Vakoff, 27, was killed while responding to a large family disturbance call. When officers arrived, they found a "chaotic scene with multiple people in the street," the Arvada Police Department said. 

The initial two officers tried to separate several belligerent and uncooperative individuals when the suspect began to fire a weapon, shooting a female victim.

An exchange of gunfire between officers and the suspect ensued, when Vakoff was struck and killed. 

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Colorado officer killed in the line of duty, Dillon Vakoff

Arvada Police Officer lost in the line of duty is Dillon Michael Vakoff, 27 years old. He was with the police department since 2019.  (Arvada Police Department)

"The second officer on scene attempted to rescue his friend and colleague and provide first aid," police said in a news release. 

Vakoff was taken to the hospital where he was pronounced dead. 

The suspect, who has not been identified, was also shot during the exchange of gunfire. He was taken to a hospital, where he remains in police custody. He is expected to survive. 

The female victim was transported to a hospital and is also expected to survive. Her involvement in the incident is unknown at this time.

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Squad car with flowers at Arvada PD in Colorado

Patrol car sits outside Arvada Police Department in Colorado after officer killed in the line of duty. (KMGH-TV)

Vakoff had been with the police department since 2019. 

"Dillion is an example of everything good you would want in a police officer. He was training toward being a SWAT Officer, and without a doubt would have continued to have a positive impact on his community," the release states. 

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Prior to serving the Arvada Police Department, Vakoff was a staff sergeant in the United States Air Force, where he served for six years. Vakoff was an Arvada resident who graduated from Ralston Valley High School in 2012.

"This is a tragic loss to this community, to this department, but most significantly to his family and loved ones. His service and sacrifice will never be forgotten," the news release said.