RAPID CITY, S.D. (AP) — Crews battling a wildfire in Rapid City have mostly contained the blaze.

The 13-1/2-acre fire on what is known as M Hill is about 80 percent contained, with about 70 personnel remaining on scene to handle mop-up work. No one has been hurt and no structures have been threatened.

Residents of an apartment complex just hundreds of yards away from the flames turned out to watch the fire, prompting police at one point to block off streets in the area.

The fire that started Wednesday night shut down a popular hiking spot and a park and sent smoke over the city. Officials suspect it was human-caused, but the exact cause isn't yet known.

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