CASSELTON, N.D. (AP) — Authorities are evacuating part of a North Dakota town near the scene of a fiery oil train derailment.

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Cass County Sheriff’s Sgt. Tara Morris says as many as 300 Casselton residents may be evacuated.

Morris says there’s no immediate danger. It’s a precaution in case winds change as some derailed cars continue to burn.

Investigators couldn’t get close to the blaze and estimates of how many cars caught fire varied.

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BNSF Railway Co. says it believes about 20 cars caught fire after its oil train left the tracks about 2:10 p.m. Monday. The sheriff’s office says it thinks 10 cars were on fire.

No one was hurt. The cause is under investigation.

It happened about a mile outside of Casselton, a town of 2,400 about 25 miles west of Fargo.

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