Two sheriff's deputies were shot Friday inside a juvenile court services building in Kansas City, Kansas, according to a Wyandotte County spokesman.
The suspected shooter, who was also shot, was taken to a hospital as well.
Bailiff said their own firearms could have been used against them.
The deputy that died was identified as Deputy Patrick Rohrer, 35.
The deaths occurred in two separate police shootings in Kansas City, Missouri, on Thursday.
A suspect was reportedly shot during the incident and taken to an area hospital.
CBS affiliate KCTV reports the deputies are in critical condition.
Other law enforcement agencies in the Kansas City metro have been tweeting words of support and prayers for Wyandotte County, the Star said.
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The Fraternal Order of Police in Kansas City, Kansas, said in a statement: 'We are praying for our friends at the Wyandotte County Sheriff's Officer, their families, friends and our entire blue family.
Police Chief Rick Smith says the officers "did what they thought was necessary".
This is the fourth shooting involving law enforcement officers who were injured or killed in KCK in the past three years. "Of course that's reviewed by other parties, independent parties, prosecutors, the United States attorneys, other individuals", he said.
She said she was not sure whether the suspect was shot by one of the deputies or someone else who responded to the incident.
The wounded deputy and the suspect were undergoing surgeries Friday afternoon.
KANSAS CITY, Kan. (AP) - Police say two Wyandotte County sheriff's deputies have been shot near the county courthouse in Kansas City, Kansas.
The shooting happened at around 11:40 a.m. Friday. Their conditions are unknown.
"Sending prayers to the officers, families and Wyandotte SO", the office said. Details of what led to the shootings are not yet available.