LONGMONT, Colo. (CBS4)– Two people were injured when their plane crashed and flipped over at an airport in Longmont.

Police say the pilot and his passenger were practicing “touch and goes” when the plane skidded off the runway.

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(credit: Longmont Times Call)

The plane landed upside down in a field.

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Witnesses helped one man out of the plane. He suffered minor injuries.

(credit: Longmont Times Call)

Crews had to cut part of the plane to rescue the other man who was seriously injured.

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The National Transportation Safety Board is investigating the crash.

(credit: Longmont Times Call)