The wingsuits left a trail of flames over the downtown L.A. skyline.
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On Twitter, some people reported seeing what they thought was a meteor or even a UFO.
But closeup video showed two people in wingsuits trailing sparks behind them in the air.
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It wasn't immediately clear if the stunt was for a commercial or another project by the company.
Even the LAPD sought to reassure the public, tweeting: "PSA: A meteor did not crash into Downtown Los Angeles, and no, it's not an alien invasion...just a film shoot. This is Tinseltown after all."