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Federal investigators joined the probe into a Lehi construction site fire.

The investigation resumed Wednesday after safety concerns halted it earlier this week.

The fire, at Alta Vista development, drew attention with visible flames and smoke.

LEHI — The Bureau of Alcohol, Tobacco, Firearms and Explosives has joined the investigation into a large fire over the weekend at an apartment complex construction site in Lehi's Traverse Mountain area.

The investigation is back underway Wednesday after a temporary halt, a city official confirmed.

Crews stopped investigating the fire Monday due to safety concerns including damaged cranes.

"The cranes were taken down last night — (the) investigation has now safely been able to begin," Jeanteil Li

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