Celina officers shot and killed an armed person while responding to a call Friday night, police say.
The department said its officers encountered "an armed suspect" while answering a call in the 100 block of South Alabama Street.
Officers fired at the suspect, and paramedics performed first aid on the person, who died at Medical Center of Plano, police said.
The Celina Police Department and Texas Rangers are investigating the shooting.
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The police department did not disclose any additional information about the call or what led to the shooting.
The officers involved in the shooting were not injured and were placed on routine paid administrative leave while the investigation is underway, according to the city's police chief.
Celina police Chief John Cullison issued a letter to the community Saturday pledging to release information as it becomes available and thanking residents for their "trust, respect and confidence."
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"As your police chief, I never want to have to report the death of anyone, including an armed suspect while I lead this department, and I regret having to do so today," Cullison wrote. "I am very proud of the men and women of the Celina Police Department, and I ask for your prayers for our officers, our community, and the families that have been impacted by this incident."