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HOUSTON (AP) — A United Airlines flight from Houston to Ecuador has returned to Houston Bush Intercontinental Airport amid reports of a passenger stowed in the cargo area of the plane.

The airline says sounds were coming from the cargo hold but no one has been found. United describes the noises as a maintenance issue.

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Houston television stations report the flight with 163 passengers aboard had been in the air Thursday about an hour before landing without incident back in Houston.

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The passengers were being placed on another flight.

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