Police arrest a man for a domestic disturbance incident that closed 47th Street north of Valmont this morning.

BOULDER, Colo. –Boulder Police are still investigating after an early morning arrest today of a man for 1st degree kidnapping that began as a reported domestic disturbance and hostage situation.

At around 1:30 a.m. on November 2, 2025, Boulder Police officers were notified that an adult female was being held against her will at a residence in the 4700 block of Edison Ave. Officers were told that the suspect, known to the victim, was threatening the victim.

Boulder Police contacted the individuals at the residence. Boulder Police SWAT and Air1 were activated and responded to the scene. At around 6:50 a.m. the suspect surrendered to officers and was taken into custody. The victim, a female aged 21, was treated by medical for some injuries on scene.

The suspect, Matthew Kiriazis, 35 years old, has been arrested on charges for:

  • 1st degree kidnapping
  • 3rd degree assault
  • Misdemeanor menacing
  • Violation of a protection order
  • Domestic violence

Police continue to investigate this incident, and additional charges may be filed. Anyone with additional related information is asked to call Boulder dispatch at 303-441-3333 and reference Boulder Police report number 2510572.

Boulder Police Department appreciates the assistance of Boulder Fire-Rescue, American Medical Response, and Boulder County Sheriff’s Office during this incident.

As in every criminal case, these charges are an accusation, and the defendant is presumed innocent unless or until proven guilty.

--CITY--

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