LANCASTER, Pa. (AP) — Authorities say two people were taken to a hospital after the crash of a helicopter during a training exercise at a Pennsylvania airport over the weekend, but no serious injuries were reported.

Lancaster Airport’s director, Ed Foster, said the two-seat Bell 47 aircraft went down in a field on airport property near an air traffic control tower shortly before 11:30 a.m. Saturday, LNP newspaper reported.

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The owner and a training instructor were on a training exercise when an unknown issue occurred in mid-flight, Foster said. The flight instructor took control and attempted to land the aircraft, coming down near one of the airport’s two runways, he said.

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Foster said the two occupants appeared uninjured but were taken to a hospital as a precaution. One of the runways was closed as the Federal Aviation Administration investigated. Foster said aircraft activity wasn’t disrupted.

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