(CNN)A small plane crashed in Nevada on Saturday night, leaving two people dead and three injured.

The single-engine prop-plane was carrying four people and went down shortly after taking off from the Henderson Executive Airport in Henderson, Nevada, city spokeswoman Kathleen Richards said. The aircraft experienced a mechanical issue and was returning when it crashed about a mile south of the airport in a largely undeveloped area, she said. A bystander who was not aboard the plane tried to help the victims of the crash and suffered injuries from smoke inhalation. That person was transported to a nearby hospital for treatment, Richards said.One of the passengers died on the scene, and the three others were taken to a nearby hospital where another passenger later died, Richards said. Read MoreThe two other victims are currently in serious condition and being treated at a nearby hospital.

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