SANTA ANA, Calif. (KABC) -- Video captures the moment workers at John Wayne Airport in Santa Ana watched in disbelief when a car zoomed by several airplanes on a busy taxiway.

The bizarre scene unfolded around 1:12 p.m. Monday when a contract security guard assigned to an airfield security checkpoint drove a car onto the taxiway at a high rate of speed, the airport said in a statement.

Footage shows a white sedan race down the tarmac and speed past several planes taxiing toward the runway.

Orange County sheriff's deputies later detained the security guard without incident.

Deputies requested medical help due to the guard's "erratic behavior," according to the airport. The security guard was taken to a hospital after it was determined he was experiencing a possible medical emergency.

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