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3d ago

ATF Team Joins Probe as Denver Apartment Construction Fire Still Smolders

Collapsed debris blocks searches, delaying a cause determination.

Firefighters continue to work the scene of an overnight construction site fire on Saturday, Jan. 3, 2026, on Leetsdale Drive, between South Forest Street and South Hudson Street in Denver. (Photo by Timothy Hurst/The Denver Post)
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Firefighters spray down the east side of an apartment complex that was under construction as they and others continue to work the scene of an overnight structure fire on Saturday, Jan. 3, 2026, on Leetsdale Drive, between South Forest Street and South Hudson Street in Denver. (Photo by Timothy Hurst/The Denver Post)
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Overview

  • The ATF National Response Team deployed to Denver to assist in investigating the five-alarm blaze at the Harker Heights construction site on Leetsdale Drive.
  • Hidden hotspots beneath collapsed sections continue to burn, keeping investigators out as human-remains dogs have found no bodies so far.
  • Officials have not identified a cause, with inquiries examining reports of a person in the building, fireworks, or construction-related activity.
  • Several lanes on Leetsdale Drive remain closed near South Holly and South Forest, and nearby businesses report outages and heat damage.
  • More than 150 firefighters responded, one firefighter was injured, and developer Embrey says it is cooperating with investigators.