• Gary Matthews
• August 27, 2026
• News, Top Story
• Last Updated 1 hour ago

RAPID CITY, S.D. – An update today on the suspicious device found at Cliffside Park in Rapid City Tuesday.

After an investigation, authorities have determined the object was an improvised explosive device constructed out of legal fireworks.

The incident began when a Rapid City Parks Department employee discovered the suspicious object near a park trash receptacle on Tuesday. The employee immediately contacted emergency dispatch.

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Upon arriving at the scene, local law enforcement officers assessed the item and determined that it had the physical appearance of a potential improvised explosive device. First responders quickly secured the area, closed the park, and requested specialized assistance from state investigators.

Agents with the South Dakota Division of Criminal Investigation (DCI) who specialize in explosive device response were called to the scene. The specialized DCI agents analyzed the device and successfully rendered it safe.