CHAMBERLAIN, S.D. (AP) — Authorities say nine people have been killed after a plane crashed in South Dakota.

Peter Knudson with the National Transportation Safety Board tells The Associated Press that the Pilatus PC-12 had 12 people on board when it crashed at about 12:30 p.m. Saturday, shortly after taking off from Chamberlain, about 140 miles (225.3 kilometers) west of Sioux Falls.

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Knudson says nine people were killed in the crash and three were injured. The plane was bound for Idaho Falls, Idaho.

Media reports say Chamberlain and central south-central South Dakota were under a winter storm warning at the time of the plane crash.

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Knudson says the NTSB will investigate the crash, but inclement weather in the area is making travel to the site difficult.

No further information was immediately available.

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